21100080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87917}}^1$

素因数の和:87933

約数の個数: 40

約数和(自身を含む): 65410992

約数和(自身を除く): 44310912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87917, 175834, 263751, 351668, 439585, 527502, 703336, 879170, 1055004, 1318755, 1406672, 1758340, 2110008, 2637510, 3516680, 4220016, 5275020, 7033360, 10550040, 21100080]

約数ペア:

[(1, 21100080), (2, 10550040), (3, 7033360), (4, 5275020), (5, 4220016), (6, 3516680), (8, 2637510), (10, 2110008), (12, 1758340), (15, 1406672), (16, 1318755), (20, 1055004), (24, 879170), (30, 703336), (40, 527502), (48, 439585), (60, 351668), (80, 263751), (120, 175834), (240, 87917)]