21993174

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 34616106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 83, 126, 166, 189, 249, 378, 498, 581, 701, 747, 1162, 1402, 1494, 1743, 2103, 2241, 3486, 4206, 4482, 4907, 5229, 6309, 9814, 10458, 12618, 14721, 15687, 18927, 29442, 31374, 37854, 44163, 58183, 88326, 116366, 132489, 174549, 264978, 349098, 407281, 523647, 814562, 1047294, 1221843, 1570941, 2443686, 3141882, 3665529, 7331058, 10996587, 21993174]

約数ペア:

[(1, 21993174), (2, 10996587), (3, 7331058), (6, 3665529), (7, 3141882), (9, 2443686), (14, 1570941), (18, 1221843), (21, 1047294), (27, 814562), (42, 523647), (54, 407281), (63, 349098), (83, 264978), (126, 174549), (166, 132489), (189, 116366), (249, 88326), (378, 58183), (498, 44163), (581, 37854), (701, 31374), (747, 29442), (1162, 18927), (1402, 15687), (1494, 14721), (1743, 12618), (2103, 10458), (2241, 9814), (3486, 6309), (4206, 5229), (4482, 4907)]