21950054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 17966746

約数列:

[1, 2, 7, 14, 19, 38, 133, 179, 266, 358, 461, 922, 1253, 2506, 3227, 3401, 6454, 6802, 8759, 17518, 23807, 47614, 61313, 82519, 122626, 165038, 577633, 1155266, 1567861, 3135722, 10975027, 21950054]

約数ペア:

[(1, 21950054), (2, 10975027), (7, 3135722), (14, 1567861), (19, 1155266), (38, 577633), (133, 165038), (179, 122626), (266, 82519), (358, 61313), (461, 47614), (922, 23807), (1253, 17518), (2506, 8759), (3227, 6802), (3401, 6454)]