21862881

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 10766079

約数列:

[1, 3, 9, 41, 123, 179, 331, 369, 537, 993, 1611, 2979, 7339, 13571, 22017, 40713, 59249, 66051, 122139, 177747, 533241, 2429209, 7287627, 21862881]

約数ペア:

[(1, 21862881), (3, 7287627), (9, 2429209), (41, 533241), (123, 177747), (179, 122139), (331, 66051), (369, 59249), (537, 40713), (993, 22017), (1611, 13571), (2979, 7339)]