21585304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{207551}}^1$

素因数の和:207570

約数の個数: 16

約数和(自身を含む): 43585920

約数和(自身を除く): 22000616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 207551, 415102, 830204, 1660408, 2698163, 5396326, 10792652, 21585304]

約数ペア:

[(1, 21585304), (2, 10792652), (4, 5396326), (8, 2698163), (13, 1660408), (26, 830204), (52, 415102), (104, 207551)]