21000980234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11376479}}^1$

素因数の和:11376565

約数の個数: 16

約数和(自身を含む): 34402475520

約数和(自身を除く): 13401495286

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11376479, 22752958, 147894227, 295788454, 807730009, 1615460018, 10500490117, 21000980234]

約数ペア:

[(1, 21000980234), (2, 10500490117), (13, 1615460018), (26, 807730009), (71, 295788454), (142, 147894227), (923, 22752958), (1846, 11376479)]