21054906

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2917}}^1$

素因数の和:3326

約数の個数: 24

約数和(自身を含む): 45748404

約数和(自身を除く): 24693498

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2917, 3609, 5834, 7218, 8751, 17502, 26253, 52506, 1169717, 2339434, 3509151, 7018302, 10527453, 21054906]

約数ペア:

[(1, 21054906), (2, 10527453), (3, 7018302), (6, 3509151), (9, 2339434), (18, 1169717), (401, 52506), (802, 26253), (1203, 17502), (2406, 8751), (2917, 7218), (3609, 5834)]