21048652821

素因数分解:

$3^1\times 7^1\times {\mathrm{1033}}^1\times {\mathrm{970297}}^1$

素因数の和:971340

約数の個数: 16

約数和(自身を含む): 32105220224

約数和(自身を除く): 11056567403

約数列:

[1, 3, 7, 21, 1033, 3099, 7231, 21693, 970297, 2910891, 6792079, 20376237, 1002316801, 3006950403, 7016217607, 21048652821]

約数ペア:

[(1, 21048652821), (3, 7016217607), (7, 3006950403), (21, 1002316801), (1033, 20376237), (3099, 6792079), (7231, 2910891), (21693, 970297)]