21536235

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9767}}^1$

素因数の和:9792

約数の個数: 36

約数和(自身を含む): 43428528

約数和(自身を除く): 21892293

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9767, 29301, 48835, 68369, 87903, 146505, 205107, 341845, 439515, 478583, 615321, 1025535, 1435749, 2392915, 3076605, 4307247, 7178745, 21536235]

約数ペア:

[(1, 21536235), (3, 7178745), (5, 4307247), (7, 3076605), (9, 2392915), (15, 1435749), (21, 1025535), (35, 615321), (45, 478583), (49, 439515), (63, 341845), (105, 205107), (147, 146505), (245, 87903), (315, 68369), (441, 48835), (735, 29301), (2205, 9767)]