21000332135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1\times {\mathrm{244859}}^1$

素因数の和:245890

約数の個数: 16

約数和(自身を含む): 26709328800

約数和(自身を除く): 5708996665

約数列:

[1, 5, 17, 85, 1009, 5045, 17153, 85765, 244859, 1224295, 4162603, 20813015, 247062731, 1235313655, 4200066427, 21000332135]

約数ペア:

[(1, 21000332135), (5, 4200066427), (17, 1235313655), (85, 247062731), (1009, 20813015), (5045, 4162603), (17153, 1224295), (85765, 244859)]