21428202

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 43997184

約数和(自身を除く): 22568982

約数列:

[1, 2, 3, 6, 61, 122, 127, 183, 254, 366, 381, 461, 762, 922, 1383, 2766, 7747, 15494, 23241, 28121, 46482, 56242, 58547, 84363, 117094, 168726, 175641, 351282, 3571367, 7142734, 10714101, 21428202]

約数ペア:

[(1, 21428202), (2, 10714101), (3, 7142734), (6, 3571367), (61, 351282), (122, 175641), (127, 168726), (183, 117094), (254, 84363), (366, 58547), (381, 56242), (461, 46482), (762, 28121), (922, 23241), (1383, 15494), (2766, 7747)]