21455946

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17791}}^1$

素因数の和:17866

約数の個数: 24

約数和(自身を含む): 47184384

約数和(自身を除く): 25728438

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17791, 35582, 53373, 106746, 160119, 320238, 1191997, 2383994, 3575991, 7151982, 10727973, 21455946]

約数ペア:

[(1, 21455946), (2, 10727973), (3, 7151982), (6, 3575991), (9, 2383994), (18, 1191997), (67, 320238), (134, 160119), (201, 106746), (402, 53373), (603, 35582), (1206, 17791)]