21185273940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4973069}}^1$

素因数の和:4973152

約数の個数: 48

約数和(自身を含む): 60154254720

約数和(自身を除く): 38968980780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4973069, 9946138, 14919207, 19892276, 24865345, 29838414, 49730690, 59676828, 74596035, 99461380, 149192070, 298384140, 353087899, 706175798, 1059263697, 1412351596, 1765439495, 2118527394, 3530878990, 4237054788, 5296318485, 7061757980, 10592636970, 21185273940]

約数ペア:

[(1, 21185273940), (2, 10592636970), (3, 7061757980), (4, 5296318485), (5, 4237054788), (6, 3530878990), (10, 2118527394), (12, 1765439495), (15, 1412351596), (20, 1059263697), (30, 706175798), (60, 353087899), (71, 298384140), (142, 149192070), (213, 99461380), (284, 74596035), (355, 59676828), (426, 49730690), (710, 29838414), (852, 24865345), (1065, 19892276), (1420, 14919207), (2130, 9946138), (4260, 4973069)]