2021189656

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{617723}}^1$

素因数の和:618138

約数の個数: 16

約数和(自身を含む): 3799002600

約数和(自身を除く): 1777812944

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 617723, 1235446, 2470892, 4941784, 252648707, 505297414, 1010594828, 2021189656]

約数ペア:

[(1, 2021189656), (2, 1010594828), (4, 505297414), (8, 252648707), (409, 4941784), (818, 2470892), (1636, 1235446), (3272, 617723)]