21000314643

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90910453}}^1$

素因数の和:90910474

約数の個数: 16

約数和(自身を含む): 34909614336

約数和(自身を除く): 13909299693

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90910453, 272731359, 636373171, 1000014983, 1909119513, 3000044949, 7000104881, 21000314643]

約数ペア:

[(1, 21000314643), (3, 7000104881), (7, 3000044949), (11, 1909119513), (21, 1000014983), (33, 636373171), (77, 272731359), (231, 90910453)]