21163831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 23778720

約数和(自身を除く): 2614889

約数列:

[1, 13, 41, 59, 533, 673, 767, 2419, 8749, 27593, 31447, 39707, 358709, 516191, 1627987, 21163831]

約数ペア:

[(1, 21163831), (13, 1627987), (41, 516191), (59, 358709), (533, 39707), (673, 31447), (767, 27593), (2419, 8749)]