21620418

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15077}}^1$

素因数の和:15321

約数の個数: 16

約数和(自身を含む): 43424640

約数和(自身を除く): 21804222

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15077, 30154, 45231, 90462, 3603403, 7206806, 10810209, 21620418]

約数ペア:

[(1, 21620418), (2, 10810209), (3, 7206806), (6, 3603403), (239, 90462), (478, 45231), (717, 30154), (1434, 15077)]