21918592

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 44094600

約数和(自身を除く): 22176008

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1571, 1744, 3142, 3488, 6284, 6976, 12568, 13952, 25136, 50272, 100544, 171239, 201088, 342478, 684956, 1369912, 2739824, 5479648, 10959296, 21918592]

約数ペア:

[(1, 21918592), (2, 10959296), (4, 5479648), (8, 2739824), (16, 1369912), (32, 684956), (64, 342478), (109, 201088), (128, 171239), (218, 100544), (436, 50272), (872, 25136), (1571, 13952), (1744, 12568), (3142, 6976), (3488, 6284)]