21738438

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1471}}^1$

素因数の和:2300

約数の個数: 24

約数和(自身を含む): 47189376

約数和(自身を除く): 25450938

約数列:

[1, 2, 3, 6, 9, 18, 821, 1471, 1642, 2463, 2942, 4413, 4926, 7389, 8826, 13239, 14778, 26478, 1207691, 2415382, 3623073, 7246146, 10869219, 21738438]

約数ペア:

[(1, 21738438), (2, 10869219), (3, 7246146), (6, 3623073), (9, 2415382), (18, 1207691), (821, 26478), (1471, 14778), (1642, 13239), (2463, 8826), (2942, 7389), (4413, 4926)]