21696544

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24026336

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 82, 92, 164, 184, 328, 368, 656, 719, 736, 943, 1312, 1438, 1886, 2876, 3772, 5752, 7544, 11504, 15088, 16537, 23008, 29479, 30176, 33074, 58958, 66148, 117916, 132296, 235832, 264592, 471664, 529184, 678017, 943328, 1356034, 2712068, 5424136, 10848272, 21696544]

約数ペア:

[(1, 21696544), (2, 10848272), (4, 5424136), (8, 2712068), (16, 1356034), (23, 943328), (32, 678017), (41, 529184), (46, 471664), (82, 264592), (92, 235832), (164, 132296), (184, 117916), (328, 66148), (368, 58958), (656, 33074), (719, 30176), (736, 29479), (943, 23008), (1312, 16537), (1438, 15088), (1886, 11504), (2876, 7544), (3772, 5752)]