21009852

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1901}}^1$

素因数の和:2218

約数の個数: 36

約数和(自身を含む): 53309256

約数和(自身を除く): 32299404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1842, 1901, 2763, 3684, 3802, 5526, 5703, 7604, 11052, 11406, 17109, 22812, 34218, 68436, 583607, 1167214, 1750821, 2334428, 3501642, 5252463, 7003284, 10504926, 21009852]

約数ペア:

[(1, 21009852), (2, 10504926), (3, 7003284), (4, 5252463), (6, 3501642), (9, 2334428), (12, 1750821), (18, 1167214), (36, 583607), (307, 68436), (614, 34218), (921, 22812), (1228, 17109), (1842, 11406), (1901, 11052), (2763, 7604), (3684, 5703), (3802, 5526)]