21985677

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15173}}^1$

素因数の和:15209

約数の個数: 24

約数和(自身を含む): 37874304

約数和(自身を除く): 15888627

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 15173, 45519, 106211, 136557, 318633, 348979, 955899, 1046937, 2442853, 3140811, 7328559, 21985677]

約数ペア:

[(1, 21985677), (3, 7328559), (7, 3140811), (9, 2442853), (21, 1046937), (23, 955899), (63, 348979), (69, 318633), (161, 136557), (207, 106211), (483, 45519), (1449, 15173)]