21970827

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 32464224

約数和(自身を除く): 10493397

約数列:

[1, 3, 9, 103, 137, 173, 309, 411, 519, 927, 1233, 1557, 14111, 17819, 23701, 42333, 53457, 71103, 126999, 160371, 213309, 2441203, 7323609, 21970827]

約数ペア:

[(1, 21970827), (3, 7323609), (9, 2441203), (103, 213309), (137, 160371), (173, 126999), (309, 71103), (411, 53457), (519, 42333), (927, 23701), (1233, 17819), (1557, 14111)]