21468204

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5471}}^1$

素因数の和:5590

約数の個数: 36

約数和(自身を含む): 54774720

約数和(自身を除く): 33306516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5471, 10942, 16413, 21884, 32826, 49239, 65652, 98478, 196956, 596339, 1192678, 1789017, 2385356, 3578034, 5367051, 7156068, 10734102, 21468204]

約数ペア:

[(1, 21468204), (2, 10734102), (3, 7156068), (4, 5367051), (6, 3578034), (9, 2385356), (12, 1789017), (18, 1192678), (36, 596339), (109, 196956), (218, 98478), (327, 65652), (436, 49239), (654, 32826), (981, 21884), (1308, 16413), (1962, 10942), (3924, 5471)]