21579906

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 44868096

約数和(自身を除く): 23288190

約数列:

[1, 2, 3, 6, 31, 62, 93, 181, 186, 362, 543, 641, 1086, 1282, 1923, 3846, 5611, 11222, 16833, 19871, 33666, 39742, 59613, 116021, 119226, 232042, 348063, 696126, 3596651, 7193302, 10789953, 21579906]

約数ペア:

[(1, 21579906), (2, 10789953), (3, 7193302), (6, 3596651), (31, 696126), (62, 348063), (93, 232042), (181, 119226), (186, 116021), (362, 59613), (543, 39742), (641, 33666), (1086, 19871), (1282, 16833), (1923, 11222), (3846, 5611)]