21080918040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{11423}}^1$

素因数の和:11483

約数の個数: 256

約数和(自身を含む): 78304665600

約数和(自身を除く): 57223747560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 455, 507, 520, 546, 676, 728, 780, 840, 845, 910, 1014, 1092, 1183, 1352, 1365, 1560, 1690, 1820, 2028, 2184, 2197, 2366, 2535, 2730, 3380, 3549, 3640, 4056, 4394, 4732, 5070, 5460, 5915, 6591, 6760, 7098, 8788, 9464, 10140, 10920, 10985, 11423, 11830, 13182, 14196, 15379, 17576, 17745, 20280, 21970, 22846, 23660, 26364, 28392, 30758, 32955, 34269, 35490, 43940, 45692, 46137, 47320, 52728, 57115, 61516, 65910, 68538, 70980, 76895, 79961, 87880, 91384, 92274, 114230, 123032, 131820, 137076, 141960, 148499, 153790, 159922, 171345, 184548, 228460, 230685, 239883, 263640, 274152, 296998, 307580, 319844, 342690, 369096, 399805, 445497, 456920, 461370, 479766, 593996, 615160, 639688, 685380, 742495, 799610, 890994, 922740, 959532, 1039493, 1187992, 1199415, 1370760, 1484990, 1599220, 1781988, 1845480, 1919064, 1930487, 2078986, 2227485, 2398830, 2969980, 3118479, 3198440, 3563976, 3860974, 4157972, 4454970, 4797660, 5197465, 5791461, 5939960, 6236958, 7721948, 8315944, 8909940, 9595320, 9652435, 10394930, 11582922, 12473916, 13513409, 15443896, 15592395, 17819880, 19304870, 20789860, 23165844, 24947832, 25096331, 27026818, 28957305, 31184790, 38609740, 40540227, 41579720, 46331688, 50192662, 54053636, 57914610, 62369580, 67567045, 75288993, 77219480, 81080454, 100385324, 108107272, 115829220, 124739160, 125481655, 135134090, 150577986, 162160908, 175674317, 200770648, 202701135, 231658440, 250963310, 270268180, 301155972, 324321816, 351348634, 376444965, 405402270, 501926620, 527022951, 540536360, 602311944, 702697268, 752889930, 810804540, 878371585, 1003853240, 1054045902, 1405394536, 1505779860, 1621609080, 1756743170, 2108091804, 2635114755, 3011559720, 3513486340, 4216183608, 5270229510, 7026972680, 10540459020, 21080918040]

約数ペア:

[(1, 21080918040), (2, 10540459020), (3, 7026972680), (4, 5270229510), (5, 4216183608), (6, 3513486340), (7, 3011559720), (8, 2635114755), (10, 2108091804), (12, 1756743170), (13, 1621609080), (14, 1505779860), (15, 1405394536), (20, 1054045902), (21, 1003853240), (24, 878371585), (26, 810804540), (28, 752889930), (30, 702697268), (35, 602311944), (39, 540536360), (40, 527022951), (42, 501926620), (52, 405402270), (56, 376444965), (60, 351348634), (65, 324321816), (70, 301155972), (78, 270268180), (84, 250963310), (91, 231658440), (104, 202701135), (105, 200770648), (120, 175674317), (130, 162160908), (140, 150577986), (156, 135134090), (168, 125481655), (169, 124739160), (182, 115829220), (195, 108107272), (210, 100385324), (260, 81080454), (273, 77219480), (280, 75288993), (312, 67567045), (338, 62369580), (364, 57914610), (390, 54053636), (420, 50192662), (455, 46331688), (507, 41579720), (520, 40540227), (546, 38609740), (676, 31184790), (728, 28957305), (780, 27026818), (840, 25096331), (845, 24947832), (910, 23165844), (1014, 20789860), (1092, 19304870), (1183, 17819880), (1352, 15592395), (1365, 15443896), (1560, 13513409), (1690, 12473916), (1820, 11582922), (2028, 10394930), (2184, 9652435), (2197, 9595320), (2366, 8909940), (2535, 8315944), (2730, 7721948), (3380, 6236958), (3549, 5939960), (3640, 5791461), (4056, 5197465), (4394, 4797660), (4732, 4454970), (5070, 4157972), (5460, 3860974), (5915, 3563976), (6591, 3198440), (6760, 3118479), (7098, 2969980), (8788, 2398830), (9464, 2227485), (10140, 2078986), (10920, 1930487), (10985, 1919064), (11423, 1845480), (11830, 1781988), (13182, 1599220), (14196, 1484990), (15379, 1370760), (17576, 1199415), (17745, 1187992), (20280, 1039493), (21970, 959532), (22846, 922740), (23660, 890994), (26364, 799610), (28392, 742495), (30758, 685380), (32955, 639688), (34269, 615160), (35490, 593996), (43940, 479766), (45692, 461370), (46137, 456920), (47320, 445497), (52728, 399805), (57115, 369096), (61516, 342690), (65910, 319844), (68538, 307580), (70980, 296998), (76895, 274152), (79961, 263640), (87880, 239883), (91384, 230685), (92274, 228460), (114230, 184548), (123032, 171345), (131820, 159922), (137076, 153790), (141960, 148499)]