21010587

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 31402800

約数和(自身を除く): 10392213

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1429, 4287, 4901, 14703, 18577, 41441, 55731, 124323, 241501, 538733, 724503, 1616199, 7003529, 21010587]

約数ペア:

[(1, 21010587), (3, 7003529), (13, 1616199), (29, 724503), (39, 538733), (87, 241501), (169, 124323), (377, 55731), (507, 41441), (1131, 18577), (1429, 14703), (4287, 4901)]