21280736

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39119}}^1$

素因数の和:39146

約数の個数: 24

約数和(自身を含む): 44362080

約数和(自身を除く): 23081344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39119, 78238, 156476, 312952, 625904, 665023, 1251808, 1330046, 2660092, 5320184, 10640368, 21280736]

約数ペア:

[(1, 21280736), (2, 10640368), (4, 5320184), (8, 2660092), (16, 1330046), (17, 1251808), (32, 665023), (34, 625904), (68, 312952), (136, 156476), (272, 78238), (544, 39119)]