21236528056

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{4028173}}^1$

素因数の和:4028838

約数の個数: 16

約数和(自身を含む): 39878922600

約数和(自身を除く): 18642394544

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 5272, 4028173, 8056346, 16112692, 32225384, 2654566007, 5309132014, 10618264028, 21236528056]

約数ペア:

[(1, 21236528056), (2, 10618264028), (4, 5309132014), (8, 2654566007), (659, 32225384), (1318, 16112692), (2636, 8056346), (5272, 4028173)]