21024159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 31314192

約数和(自身を除く): 10290033

約数列:

[1, 3, 13, 29, 39, 87, 377, 641, 841, 1131, 1923, 2523, 8333, 10933, 18589, 24999, 32799, 55767, 241657, 539081, 724971, 1617243, 7008053, 21024159]

約数ペア:

[(1, 21024159), (3, 7008053), (13, 1617243), (29, 724971), (39, 539081), (87, 241657), (377, 55767), (641, 32799), (841, 24999), (1131, 18589), (1923, 10933), (2523, 8333)]