21993954

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3037}}^1$

素因数の和:3130

約数の個数: 32

約数和(自身を含む): 47246976

約数和(自身を除く): 25253022

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 3037, 3621, 6074, 7242, 9111, 18222, 51629, 103258, 154887, 215627, 309774, 431254, 646881, 1293762, 3665659, 7331318, 10996977, 21993954]

約数ペア:

[(1, 21993954), (2, 10996977), (3, 7331318), (6, 3665659), (17, 1293762), (34, 646881), (51, 431254), (71, 309774), (102, 215627), (142, 154887), (213, 103258), (426, 51629), (1207, 18222), (2414, 9111), (3037, 7242), (3621, 6074)]