21358566

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4253}}^1$

素因数の和:4298

約数の個数: 40

約数和(自身を含む): 49414464

約数和(自身を除く): 28055898

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4253, 5022, 8506, 12759, 25518, 38277, 76554, 114831, 131843, 229662, 263686, 344493, 395529, 688986, 791058, 1186587, 2373174, 3559761, 7119522, 10679283, 21358566]

約数ペア:

[(1, 21358566), (2, 10679283), (3, 7119522), (6, 3559761), (9, 2373174), (18, 1186587), (27, 791058), (31, 688986), (54, 395529), (62, 344493), (81, 263686), (93, 229662), (162, 131843), (186, 114831), (279, 76554), (558, 38277), (837, 25518), (1674, 12759), (2511, 8506), (4253, 5022)]