21391712

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39323}}^1$

素因数の和:39350

約数の個数: 24

約数和(自身を含む): 44593416

約数和(自身を除く): 23201704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39323, 78646, 157292, 314584, 629168, 668491, 1258336, 1336982, 2673964, 5347928, 10695856, 21391712]

約数ペア:

[(1, 21391712), (2, 10695856), (4, 5347928), (8, 2673964), (16, 1336982), (17, 1258336), (32, 668491), (34, 629168), (68, 314584), (136, 157292), (272, 78646), (544, 39323)]