21103434233

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{20089}}^1$

素因数の和:20277

約数の個数: 32

約数和(自身を含む): 25674055680

約数和(自身を除く): 4570621447

約数列:

[1, 7, 31, 47, 103, 217, 329, 721, 1457, 3193, 4841, 10199, 20089, 22351, 33887, 140623, 150071, 622759, 944183, 1050497, 2069167, 4359313, 6609281, 14484169, 29269673, 64144177, 97250849, 204887711, 449009239, 680755943, 3014776319, 21103434233]

約数ペア:

[(1, 21103434233), (7, 3014776319), (31, 680755943), (47, 449009239), (103, 204887711), (217, 97250849), (329, 64144177), (721, 29269673), (1457, 14484169), (3193, 6609281), (4841, 4359313), (10199, 2069167), (20089, 1050497), (22351, 944183), (33887, 622759), (140623, 150071)]