21195666

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2797}}^1$

素因数の和:3226

約数の個数: 24

約数和(自身を含む): 46049484

約数和(自身を除く): 24853818

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2797, 3789, 5594, 7578, 8391, 16782, 25173, 50346, 1177537, 2355074, 3532611, 7065222, 10597833, 21195666]

約数ペア:

[(1, 21195666), (2, 10597833), (3, 7065222), (6, 3532611), (9, 2355074), (18, 1177537), (421, 50346), (842, 25173), (1263, 16782), (2526, 8391), (2797, 7578), (3789, 5594)]