21237244

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5023}}^1$

素因数の和:5185

約数の個数: 24

約数和(自身を含む): 42764288

約数和(自身を除く): 21527044

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 5023, 10046, 20092, 35161, 70322, 140644, 758473, 1516946, 3033892, 5309311, 10618622, 21237244]

約数ペア:

[(1, 21237244), (2, 10618622), (4, 5309311), (7, 3033892), (14, 1516946), (28, 758473), (151, 140644), (302, 70322), (604, 35161), (1057, 20092), (2114, 10046), (4228, 5023)]