21355935

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 34843440

約数和(自身を除く): 13487505

約数列:

[1, 3, 5, 15, 59, 177, 295, 409, 885, 1227, 2045, 3481, 6135, 10443, 17405, 24131, 52215, 72393, 120655, 361965, 1423729, 4271187, 7118645, 21355935]

約数ペア:

[(1, 21355935), (3, 7118645), (5, 4271187), (15, 1423729), (59, 361965), (177, 120655), (295, 72393), (409, 52215), (885, 24131), (1227, 17405), (2045, 10443), (3481, 6135)]