21963591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1433}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 34450416

約数和(自身を除く): 12486825

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1433, 1703, 4299, 5109, 12897, 15327, 18629, 55887, 167661, 187723, 563169, 1689507, 2440399, 7321197, 21963591]

約数ペア:

[(1, 21963591), (3, 7321197), (9, 2440399), (13, 1689507), (39, 563169), (117, 187723), (131, 167661), (393, 55887), (1179, 18629), (1433, 15327), (1703, 12897), (4299, 5109)]