21712578

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^2\times {\mathrm{163}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 43986768

約数和(自身を除く): 22274190

約数列:

[1, 2, 3, 6, 149, 163, 298, 326, 447, 489, 894, 978, 22201, 24287, 44402, 48574, 66603, 72861, 133206, 145722, 3618763, 7237526, 10856289, 21712578]

約数ペア:

[(1, 21712578), (2, 10856289), (3, 7237526), (6, 3618763), (149, 145722), (163, 133206), (298, 72861), (326, 66603), (447, 48574), (489, 44402), (894, 24287), (978, 22201)]