21009093

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 34617600

約数和(自身を除く): 13608507

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1201, 2499, 3603, 5831, 8407, 17493, 20417, 25221, 58849, 61251, 142919, 176547, 411943, 428757, 1000433, 1235829, 3001299, 7003031, 21009093]

約数ペア:

[(1, 21009093), (3, 7003031), (7, 3001299), (17, 1235829), (21, 1000433), (49, 428757), (51, 411943), (119, 176547), (147, 142919), (343, 61251), (357, 58849), (833, 25221), (1029, 20417), (1201, 17493), (2499, 8407), (3603, 5831)]