21592600

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 50722200

約数和(自身を除く): 29129600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1009, 1070, 2018, 2140, 2675, 4036, 4280, 5045, 5350, 8072, 10090, 10700, 20180, 21400, 25225, 40360, 50450, 100900, 107963, 201800, 215926, 431852, 539815, 863704, 1079630, 2159260, 2699075, 4318520, 5398150, 10796300, 21592600]

約数ペア:

[(1, 21592600), (2, 10796300), (4, 5398150), (5, 4318520), (8, 2699075), (10, 2159260), (20, 1079630), (25, 863704), (40, 539815), (50, 431852), (100, 215926), (107, 201800), (200, 107963), (214, 100900), (428, 50450), (535, 40360), (856, 25225), (1009, 21400), (1070, 20180), (2018, 10700), (2140, 10090), (2675, 8072), (4036, 5350), (4280, 5045)]