21087598401

素因数分解:

$3^4\times {\mathrm{4447}}^1\times {\mathrm{58543}}^1$

素因数の和:63002

約数の個数: 20

約数和(自身を含む): 31508849152

約数和(自身を除く): 10421250751

約数列:

[1, 3, 9, 27, 81, 4447, 13341, 40023, 58543, 120069, 175629, 360207, 526887, 1580661, 4741983, 260340721, 781022163, 2343066489, 7029199467, 21087598401]

約数ペア:

[(1, 21087598401), (3, 7029199467), (9, 2343066489), (27, 781022163), (81, 260340721), (4447, 4741983), (13341, 1580661), (40023, 526887), (58543, 360207), (120069, 175629)]