21233277

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 33188064

約数和(自身を除く): 11954787

約数列:

[1, 3, 9, 13, 39, 117, 347, 523, 1041, 1569, 3123, 4511, 4707, 6799, 13533, 20397, 40599, 61191, 181481, 544443, 1633329, 2359253, 7077759, 21233277]

約数ペア:

[(1, 21233277), (3, 7077759), (9, 2359253), (13, 1633329), (39, 544443), (117, 181481), (347, 61191), (523, 40599), (1041, 20397), (1569, 13533), (3123, 6799), (4511, 4707)]