21911630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4111}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 43521408

約数和(自身を除く): 21609778

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 4111, 5330, 8222, 20555, 41110, 53443, 106886, 168551, 267215, 337102, 534430, 842755, 1685510, 2191163, 4382326, 10955815, 21911630]

約数ペア:

[(1, 21911630), (2, 10955815), (5, 4382326), (10, 2191163), (13, 1685510), (26, 842755), (41, 534430), (65, 337102), (82, 267215), (130, 168551), (205, 106886), (410, 53443), (533, 41110), (1066, 20555), (2665, 8222), (4111, 5330)]