2021241747

素因数分解:

$3^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{53861}}^1$

素因数の和:55658

約数の個数: 16

約数和(自身を含む): 3081768192

約数和(自身を除く): 1060526445

約数列:

[1, 3, 7, 21, 1787, 5361, 12509, 37527, 53861, 161583, 377027, 1131081, 96249607, 288748821, 673747249, 2021241747]

約数ペア:

[(1, 2021241747), (3, 673747249), (7, 288748821), (21, 96249607), (1787, 1131081), (5361, 377027), (12509, 161583), (37527, 53861)]