21715044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139199}}^1$

素因数の和:139219

約数の個数: 24

約数和(自身を含む): 54566400

約数和(自身を除く): 32851356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139199, 278398, 417597, 556796, 835194, 1670388, 1809587, 3619174, 5428761, 7238348, 10857522, 21715044]

約数ペア:

[(1, 21715044), (2, 10857522), (3, 7238348), (4, 5428761), (6, 3619174), (12, 1809587), (13, 1670388), (26, 835194), (39, 556796), (52, 417597), (78, 278398), (156, 139199)]