21364524

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1451}}^1$

素因数の和:1870

約数の個数: 36

約数和(自身を含む): 54174120

約数和(自身を除く): 32809596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1451, 1636, 2454, 2902, 3681, 4353, 4908, 5804, 7362, 8706, 13059, 14724, 17412, 26118, 52236, 593459, 1186918, 1780377, 2373836, 3560754, 5341131, 7121508, 10682262, 21364524]

約数ペア:

[(1, 21364524), (2, 10682262), (3, 7121508), (4, 5341131), (6, 3560754), (9, 2373836), (12, 1780377), (18, 1186918), (36, 593459), (409, 52236), (818, 26118), (1227, 17412), (1451, 14724), (1636, 13059), (2454, 8706), (2902, 7362), (3681, 5804), (4353, 4908)]