21009726

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5807}}^1$

素因数の和:5885

約数の個数: 32

約数和(自身を含む): 47393280

約数和(自身を除く): 26383554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5807, 11614, 17421, 34842, 52263, 104526, 156789, 313578, 389069, 778138, 1167207, 2334414, 3501621, 7003242, 10504863, 21009726]

約数ペア:

[(1, 21009726), (2, 10504863), (3, 7003242), (6, 3501621), (9, 2334414), (18, 1167207), (27, 778138), (54, 389069), (67, 313578), (134, 156789), (201, 104526), (402, 52263), (603, 34842), (1206, 17421), (1809, 11614), (3618, 5807)]