21094740585

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2985809}}^1$

素因数の和:2985977

約数の個数: 24

約数和(自身を含む): 36797122440

約数和(自身を除く): 15702381855

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 2985809, 8957427, 14929045, 26872281, 44787135, 134361405, 468772013, 1406316039, 2343860065, 4218948117, 7031580195, 21094740585]

約数ペア:

[(1, 21094740585), (3, 7031580195), (5, 4218948117), (9, 2343860065), (15, 1406316039), (45, 468772013), (157, 134361405), (471, 44787135), (785, 26872281), (1413, 14929045), (2355, 8957427), (7065, 2985809)]