21529469

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 24536064

約数和(自身を除く): 3006595

約数列:

[1, 13, 31, 41, 403, 533, 1271, 1303, 16523, 16939, 40393, 53423, 525109, 694499, 1656113, 21529469]

約数ペア:

[(1, 21529469), (13, 1656113), (31, 694499), (41, 525109), (403, 53423), (533, 40393), (1271, 16939), (1303, 16523)]