21480992

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51637}}^1$

素因数の和:51660

約数の個数: 24

約数和(自身を含む): 45544716

約数和(自身を除く): 24063724

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51637, 103274, 206548, 413096, 671281, 826192, 1342562, 1652384, 2685124, 5370248, 10740496, 21480992]

約数ペア:

[(1, 21480992), (2, 10740496), (4, 5370248), (8, 2685124), (13, 1652384), (16, 1342562), (26, 826192), (32, 671281), (52, 413096), (104, 206548), (208, 103274), (416, 51637)]