21942676

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 46247040

約数和(自身を除く): 24304364

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 61, 116, 122, 203, 244, 406, 427, 443, 812, 854, 886, 1708, 1769, 1772, 3101, 3538, 6202, 7076, 12383, 12404, 12847, 24766, 25694, 27023, 49532, 51388, 54046, 89929, 108092, 179858, 189161, 359716, 378322, 756644, 783667, 1567334, 3134668, 5485669, 10971338, 21942676]

約数ペア:

[(1, 21942676), (2, 10971338), (4, 5485669), (7, 3134668), (14, 1567334), (28, 783667), (29, 756644), (58, 378322), (61, 359716), (116, 189161), (122, 179858), (203, 108092), (244, 89929), (406, 54046), (427, 51388), (443, 49532), (812, 27023), (854, 25694), (886, 24766), (1708, 12847), (1769, 12404), (1772, 12383), (3101, 7076), (3538, 6202)]