21371610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54799}}^1$

素因数の和:54822

約数の個数: 32

約数和(自身を含む): 55238400

約数和(自身を除く): 33866790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54799, 109598, 164397, 273995, 328794, 547990, 712387, 821985, 1424774, 1643970, 2137161, 3561935, 4274322, 7123870, 10685805, 21371610]

約数ペア:

[(1, 21371610), (2, 10685805), (3, 7123870), (5, 4274322), (6, 3561935), (10, 2137161), (13, 1643970), (15, 1424774), (26, 821985), (30, 712387), (39, 547990), (65, 328794), (78, 273995), (130, 164397), (195, 109598), (390, 54799)]