21583676

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{18671}}^1$

素因数の和:18709

約数の個数: 18

約数和(自身を含む): 40126128

約数和(自身を除く): 18542452

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 18671, 37342, 74684, 317407, 634814, 1269628, 5395919, 10791838, 21583676]

約数ペア:

[(1, 21583676), (2, 10791838), (4, 5395919), (17, 1269628), (34, 634814), (68, 317407), (289, 74684), (578, 37342), (1156, 18671)]