21827403

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{947}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 34162128

約数和(自身を除く): 12334725

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 947, 1773, 2561, 2841, 7683, 8523, 12311, 23049, 36933, 110799, 186559, 559677, 1679031, 2425267, 7275801, 21827403]

約数ペア:

[(1, 21827403), (3, 7275801), (9, 2425267), (13, 1679031), (39, 559677), (117, 186559), (197, 110799), (591, 36933), (947, 23049), (1773, 12311), (2561, 8523), (2841, 7683)]