21356652

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 51270912

約数和(自身を除く): 29914260

約数列:

[1, 2, 3, 4, 6, 12, 67, 101, 134, 201, 202, 263, 268, 303, 402, 404, 526, 606, 789, 804, 1052, 1212, 1578, 3156, 6767, 13534, 17621, 20301, 26563, 27068, 35242, 40602, 52863, 53126, 70484, 79689, 81204, 105726, 106252, 159378, 211452, 318756, 1779721, 3559442, 5339163, 7118884, 10678326, 21356652]

約数ペア:

[(1, 21356652), (2, 10678326), (3, 7118884), (4, 5339163), (6, 3559442), (12, 1779721), (67, 318756), (101, 211452), (134, 159378), (201, 106252), (202, 105726), (263, 81204), (268, 79689), (303, 70484), (402, 53126), (404, 52863), (526, 40602), (606, 35242), (789, 27068), (804, 26563), (1052, 20301), (1212, 17621), (1578, 13534), (3156, 6767)]