21014724230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67789433}}^1$

素因数の和:67789471

約数の個数: 16

約数和(自身を含む): 39046713984

約数和(自身を除く): 18031989754

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 67789433, 135578866, 338947165, 677894330, 2101472423, 4202944846, 10507362115, 21014724230]

約数ペア:

[(1, 21014724230), (2, 10507362115), (5, 4202944846), (10, 2101472423), (31, 677894330), (62, 338947165), (155, 135578866), (310, 67789433)]