21159517057

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{5527}}^1\times {\mathrm{7703}}^1$

素因数の和:13308

約数の個数: 16

約数和(自身を含む): 24530522112

約数和(自身を除く): 3371005055

約数列:

[1, 7, 71, 497, 5527, 7703, 38689, 53921, 392417, 546913, 2746919, 3828391, 42574481, 298021367, 3022788151, 21159517057]

約数ペア:

[(1, 21159517057), (7, 3022788151), (71, 298021367), (497, 42574481), (5527, 3828391), (7703, 2746919), (38689, 546913), (53921, 392417)]