21810950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 46898784

約数和(自身を除く): 25087834

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 101, 175, 202, 350, 505, 617, 707, 1010, 1234, 1414, 2525, 3085, 3535, 4319, 5050, 6170, 7070, 8638, 15425, 17675, 21595, 30850, 35350, 43190, 62317, 107975, 124634, 215950, 311585, 436219, 623170, 872438, 1557925, 2181095, 3115850, 4362190, 10905475, 21810950]

約数ペア:

[(1, 21810950), (2, 10905475), (5, 4362190), (7, 3115850), (10, 2181095), (14, 1557925), (25, 872438), (35, 623170), (50, 436219), (70, 311585), (101, 215950), (175, 124634), (202, 107975), (350, 62317), (505, 43190), (617, 35350), (707, 30850), (1010, 21595), (1234, 17675), (1414, 15425), (2525, 8638), (3085, 7070), (3535, 6170), (4319, 5050)]