21695401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{569}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 5117399

約数列:

[1, 7, 13, 91, 419, 569, 2933, 3983, 5447, 7397, 38129, 51779, 238411, 1668877, 3099343, 21695401]

約数ペア:

[(1, 21695401), (7, 3099343), (13, 1668877), (91, 238411), (419, 51779), (569, 38129), (2933, 7397), (3983, 5447)]