21380804580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{997}}^1\times {\mathrm{3163}}^1$

素因数の和:4285

約数の個数: 96

約数和(自身を含む): 60475734144

約数和(自身を除く): 39094929564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 997, 1130, 1356, 1695, 1994, 2260, 2991, 3163, 3390, 3988, 4985, 5982, 6326, 6780, 9489, 9970, 11964, 12652, 14955, 15815, 18978, 19940, 29910, 31630, 37956, 47445, 59820, 63260, 94890, 112661, 189780, 225322, 337983, 357419, 450644, 563305, 675966, 714838, 1072257, 1126610, 1351932, 1429676, 1689915, 1787095, 2144514, 2253220, 3153511, 3379830, 3574190, 4289028, 5361285, 6307022, 6759660, 7148380, 9460533, 10722570, 12614044, 15767555, 18921066, 21445140, 31535110, 37842132, 47302665, 63070220, 94605330, 189210660, 356346743, 712693486, 1069040229, 1425386972, 1781733715, 2138080458, 3563467430, 4276160916, 5345201145, 7126934860, 10690402290, 21380804580]

約数ペア:

[(1, 21380804580), (2, 10690402290), (3, 7126934860), (4, 5345201145), (5, 4276160916), (6, 3563467430), (10, 2138080458), (12, 1781733715), (15, 1425386972), (20, 1069040229), (30, 712693486), (60, 356346743), (113, 189210660), (226, 94605330), (339, 63070220), (452, 47302665), (565, 37842132), (678, 31535110), (997, 21445140), (1130, 18921066), (1356, 15767555), (1695, 12614044), (1994, 10722570), (2260, 9460533), (2991, 7148380), (3163, 6759660), (3390, 6307022), (3988, 5361285), (4985, 4289028), (5982, 3574190), (6326, 3379830), (6780, 3153511), (9489, 2253220), (9970, 2144514), (11964, 1787095), (12652, 1689915), (14955, 1429676), (15815, 1351932), (18978, 1126610), (19940, 1072257), (29910, 714838), (31630, 675966), (37956, 563305), (47445, 450644), (59820, 357419), (63260, 337983), (94890, 225322), (112661, 189780)]