21031626248

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{81023}}^1$

素因数の和:81557

約数の個数: 32

約数和(自身を含む): 40077711360

約数和(自身を除く): 19046085112

約数列:

[1, 2, 4, 8, 71, 142, 284, 457, 568, 914, 1828, 3656, 32447, 64894, 81023, 129788, 162046, 259576, 324092, 648184, 5752633, 11505266, 23010532, 37027511, 46021064, 74055022, 148110044, 296220088, 2628953281, 5257906562, 10515813124, 21031626248]

約数ペア:

[(1, 21031626248), (2, 10515813124), (4, 5257906562), (8, 2628953281), (71, 296220088), (142, 148110044), (284, 74055022), (457, 46021064), (568, 37027511), (914, 23010532), (1828, 11505266), (3656, 5752633), (32447, 648184), (64894, 324092), (81023, 259576), (129788, 162046)]