21984956

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21221}}^1$

素因数の和:21269

約数の個数: 24

約数和(自身を含む): 45160416

約数和(自身を除く): 23175460

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 21221, 42442, 84884, 148547, 297094, 594188, 785177, 1570354, 3140708, 5496239, 10992478, 21984956]

約数ペア:

[(1, 21984956), (2, 10992478), (4, 5496239), (7, 3140708), (14, 1570354), (28, 785177), (37, 594188), (74, 297094), (148, 148547), (259, 84884), (518, 42442), (1036, 21221)]