21734973

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20666

約数の個数: 20

約数和(自身を含む): 34967548

約数和(自身を除く): 13232575

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20641, 61923, 185769, 268333, 557307, 804999, 1671921, 2414997, 7244991, 21734973]

約数ペア:

[(1, 21734973), (3, 7244991), (9, 2414997), (13, 1671921), (27, 804999), (39, 557307), (81, 268333), (117, 185769), (351, 61923), (1053, 20641)]