21754641

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1291}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 29953728

約数和(自身を除く): 8199087

約数列:

[1, 3, 41, 123, 137, 411, 1291, 3873, 5617, 16851, 52931, 158793, 176867, 530601, 7251547, 21754641]

約数ペア:

[(1, 21754641), (3, 7251547), (41, 530601), (123, 176867), (137, 158793), (411, 52931), (1291, 16851), (3873, 5617)]