866838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20651

約数の個数: 16

約数和(自身を含む): 1981440

約数和(自身を除く): 1114602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 20639, 41278, 61917, 123834, 144473, 288946, 433419, 866838]

約数ペア:

[(1, 866838), (2, 433419), (3, 288946), (6, 144473), (7, 123834), (14, 61917), (21, 41278), (42, 20639)]