21171060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117617}}^1$

素因数の和:117632

約数の個数: 36

約数和(自身を含む): 64219428

約数和(自身を除く): 43048368

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117617, 235234, 352851, 470468, 588085, 705702, 1058553, 1176170, 1411404, 1764255, 2117106, 2352340, 3528510, 4234212, 5292765, 7057020, 10585530, 21171060]

約数ペア:

[(1, 21171060), (2, 10585530), (3, 7057020), (4, 5292765), (5, 4234212), (6, 3528510), (9, 2352340), (10, 2117106), (12, 1764255), (15, 1411404), (18, 1176170), (20, 1058553), (30, 705702), (36, 588085), (45, 470468), (60, 352851), (90, 235234), (180, 117617)]