21172812

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3623}}^1$

素因数の和:4117

約数の個数: 24

約数和(自身を含む): 49518336

約数和(自身を除く): 28345524

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3623, 5844, 7246, 10869, 14492, 21738, 43476, 1764401, 3528802, 5293203, 7057604, 10586406, 21172812]

約数ペア:

[(1, 21172812), (2, 10586406), (3, 7057604), (4, 5293203), (6, 3528802), (12, 1764401), (487, 43476), (974, 21738), (1461, 14492), (1948, 10869), (2922, 7246), (3623, 5844)]