21556872

素因数分解:

$2^3\times 3^2\times {\mathrm{299401}}^1$

素因数の和:299413

約数の個数: 24

約数和(自身を含む): 58383390

約数和(自身を除く): 36826518

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 299401, 598802, 898203, 1197604, 1796406, 2395208, 2694609, 3592812, 5389218, 7185624, 10778436, 21556872]

約数ペア:

[(1, 21556872), (2, 10778436), (3, 7185624), (4, 5389218), (6, 3592812), (8, 2694609), (9, 2395208), (12, 1796406), (18, 1197604), (24, 898203), (36, 598802), (72, 299401)]