21696831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4523}}^1$

素因数の和:4583

約数の個数: 24

約数和(自身を含む): 34581456

約数和(自身を除く): 12884625

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4523, 4797, 13569, 40707, 58799, 176397, 185443, 529191, 556329, 1668987, 2410759, 7232277, 21696831]

約数ペア:

[(1, 21696831), (3, 7232277), (9, 2410759), (13, 1668987), (39, 556329), (41, 529191), (117, 185443), (123, 176397), (369, 58799), (533, 40707), (1599, 13569), (4523, 4797)]