221505432010

素因数分解:

$2^1\times 5^1\times {\mathrm{210143}}^1\times {\mathrm{105407}}^1$

素因数の和:315557

約数の個数: 16

約数和(自身を含む): 398715457536

約数和(自身を除く): 177210025526

約数列:

[1, 2, 5, 10, 105407, 210143, 210814, 420286, 527035, 1050715, 1054070, 2101430, 22150543201, 44301086402, 110752716005, 221505432010]

約数ペア:

[(1, 221505432010), (2, 110752716005), (5, 44301086402), (10, 22150543201), (105407, 2101430), (210143, 1054070), (210814, 1050715), (420286, 527035)]