21918242520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{2083}}^1\times {\mathrm{9743}}^1$

素因数の和:11846

約数の個数: 128

約数和(自身を含む): 73103385600

約数和(自身を除く): 51185143080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 2083, 4166, 6249, 8332, 9743, 10415, 12498, 16664, 18747, 19486, 20830, 24996, 29229, 31245, 37494, 38972, 41660, 48715, 49992, 56241, 58458, 62490, 74988, 77944, 83320, 87687, 93735, 97430, 112482, 116916, 124980, 146145, 149976, 175374, 187470, 194860, 224964, 233832, 249960, 263061, 281205, 292290, 350748, 374940, 389720, 438435, 449928, 526122, 562410, 584580, 701496, 749880, 876870, 1052244, 1124820, 1169160, 1315305, 1753740, 2104488, 2249640, 2630610, 3507480, 5261220, 10522440, 20294669, 40589338, 60884007, 81178676, 101473345, 121768014, 162357352, 182652021, 202946690, 243536028, 304420035, 365304042, 405893380, 487072056, 547956063, 608840070, 730608084, 811786760, 913260105, 1095912126, 1217680140, 1461216168, 1826520210, 2191824252, 2435360280, 2739780315, 3653040420, 4383648504, 5479560630, 7306080840, 10959121260, 21918242520]

約数ペア:

[(1, 21918242520), (2, 10959121260), (3, 7306080840), (4, 5479560630), (5, 4383648504), (6, 3653040420), (8, 2739780315), (9, 2435360280), (10, 2191824252), (12, 1826520210), (15, 1461216168), (18, 1217680140), (20, 1095912126), (24, 913260105), (27, 811786760), (30, 730608084), (36, 608840070), (40, 547956063), (45, 487072056), (54, 405893380), (60, 365304042), (72, 304420035), (90, 243536028), (108, 202946690), (120, 182652021), (135, 162357352), (180, 121768014), (216, 101473345), (270, 81178676), (360, 60884007), (540, 40589338), (1080, 20294669), (2083, 10522440), (4166, 5261220), (6249, 3507480), (8332, 2630610), (9743, 2249640), (10415, 2104488), (12498, 1753740), (16664, 1315305), (18747, 1169160), (19486, 1124820), (20830, 1052244), (24996, 876870), (29229, 749880), (31245, 701496), (37494, 584580), (38972, 562410), (41660, 526122), (48715, 449928), (49992, 438435), (56241, 389720), (58458, 374940), (62490, 350748), (74988, 292290), (77944, 281205), (83320, 263061), (87687, 249960), (93735, 233832), (97430, 224964), (112482, 194860), (116916, 187470), (124980, 175374), (146145, 149976)]