21102270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 64198656

約数和(自身を除く): 43096386

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 23, 30, 34, 35, 42, 46, 51, 69, 70, 85, 102, 105, 115, 119, 138, 161, 170, 210, 230, 238, 255, 257, 322, 345, 357, 391, 483, 510, 514, 595, 690, 714, 771, 782, 805, 966, 1173, 1190, 1285, 1542, 1610, 1785, 1799, 1955, 2346, 2415, 2570, 2737, 3570, 3598, 3855, 3910, 4369, 4830, 5397, 5474, 5865, 5911, 7710, 8211, 8738, 8995, 10794, 11730, 11822, 13107, 13685, 16422, 17733, 17990, 21845, 26214, 26985, 27370, 29555, 30583, 35466, 41055, 41377, 43690, 53970, 59110, 61166, 65535, 82110, 82754, 88665, 91749, 100487, 124131, 131070, 152915, 177330, 183498, 200974, 206885, 248262, 301461, 305830, 413770, 458745, 502435, 602922, 620655, 703409, 917490, 1004870, 1241310, 1406818, 1507305, 2110227, 3014610, 3517045, 4220454, 7034090, 10551135, 21102270]

約数ペア:

[(1, 21102270), (2, 10551135), (3, 7034090), (5, 4220454), (6, 3517045), (7, 3014610), (10, 2110227), (14, 1507305), (15, 1406818), (17, 1241310), (21, 1004870), (23, 917490), (30, 703409), (34, 620655), (35, 602922), (42, 502435), (46, 458745), (51, 413770), (69, 305830), (70, 301461), (85, 248262), (102, 206885), (105, 200974), (115, 183498), (119, 177330), (138, 152915), (161, 131070), (170, 124131), (210, 100487), (230, 91749), (238, 88665), (255, 82754), (257, 82110), (322, 65535), (345, 61166), (357, 59110), (391, 53970), (483, 43690), (510, 41377), (514, 41055), (595, 35466), (690, 30583), (714, 29555), (771, 27370), (782, 26985), (805, 26214), (966, 21845), (1173, 17990), (1190, 17733), (1285, 16422), (1542, 13685), (1610, 13107), (1785, 11822), (1799, 11730), (1955, 10794), (2346, 8995), (2415, 8738), (2570, 8211), (2737, 7710), (3570, 5911), (3598, 5865), (3855, 5474), (3910, 5397), (4369, 4830)]