21244522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10343}}^1$

素因数の和:10437

約数の個数: 16

約数和(自身を含む): 34755840

約数和(自身を除く): 13511318

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10343, 20686, 134459, 268918, 817097, 1634194, 10622261, 21244522]

約数ペア:

[(1, 21244522), (2, 10622261), (13, 1634194), (26, 817097), (79, 268918), (158, 134459), (1027, 20686), (2054, 10343)]