21656142

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17957}}^1$

素因数の和:18032

約数の個数: 24

約数和(自身を含む): 47624616

約数和(自身を除く): 25968474

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17957, 35914, 53871, 107742, 161613, 323226, 1203119, 2406238, 3609357, 7218714, 10828071, 21656142]

約数ペア:

[(1, 21656142), (2, 10828071), (3, 7218714), (6, 3609357), (9, 2406238), (18, 1203119), (67, 323226), (134, 161613), (201, 107742), (402, 53871), (603, 35914), (1206, 17957)]