2021149870

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{249217}}^1$

素因数の和:250035

約数の個数: 16

約数和(自身を含む): 3642570288

約数和(自身を除く): 1621420418

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 249217, 498434, 1246085, 2492170, 202114987, 404229974, 1010574935, 2021149870]

約数ペア:

[(1, 2021149870), (2, 1010574935), (5, 404229974), (10, 202114987), (811, 2492170), (1622, 1246085), (4055, 498434), (8110, 249217)]