21000895491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{3413}}^1\times {\mathrm{107951}}^1$

素因数の和:111386

約数の個数: 16

約数和(自身を含む): 29483850240

約数和(自身を除く): 8482954749

約数列:

[1, 3, 19, 57, 3413, 10239, 64847, 107951, 194541, 323853, 2051069, 6153207, 368436763, 1105310289, 7000298497, 21000895491]

約数ペア:

[(1, 21000895491), (3, 7000298497), (19, 1105310289), (57, 368436763), (3413, 6153207), (10239, 2051069), (64847, 323853), (107951, 194541)]