22721816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{218479}}^1$

素因数の和:218498

約数の個数: 16

約数和(自身を含む): 45880800

約数和(自身を除く): 23158984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 218479, 436958, 873916, 1747832, 2840227, 5680454, 11360908, 22721816]

約数ペア:

[(1, 22721816), (2, 11360908), (4, 5680454), (8, 2840227), (13, 1747832), (26, 873916), (52, 436958), (104, 218479)]