21121828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58027}}^1$

素因数の和:58051

約数の個数: 24

約数和(自身を含む): 45493952

約数和(自身を除く): 24372124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58027, 116054, 232108, 406189, 754351, 812378, 1508702, 1624756, 3017404, 5280457, 10560914, 21121828]

約数ペア:

[(1, 21121828), (2, 10560914), (4, 5280457), (7, 3017404), (13, 1624756), (14, 1508702), (26, 812378), (28, 754351), (52, 406189), (91, 232108), (182, 116054), (364, 58027)]