21479493

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6353}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 34769088

約数和(自身を除く): 13289595

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6353, 19059, 44471, 133413, 146119, 311297, 438357, 933891, 1022833, 3068499, 7159831, 21479493]

約数ペア:

[(1, 21479493), (3, 7159831), (7, 3068499), (21, 1022833), (23, 933891), (49, 438357), (69, 311297), (147, 146119), (161, 133413), (483, 44471), (1127, 19059), (3381, 6353)]