21329406

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{2687}}^1$

素因数の和:2715

約数の個数: 60

約数和(自身を含む): 55617408

約数和(自身を除く): 34288002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 2687, 3969, 5374, 7938, 8061, 16122, 18809, 24183, 37618, 48366, 56427, 72549, 112854, 131663, 145098, 169281, 217647, 263326, 338562, 394989, 435294, 507843, 789978, 1015686, 1184967, 1523529, 2369934, 3047058, 3554901, 7109802, 10664703, 21329406]

約数ペア:

[(1, 21329406), (2, 10664703), (3, 7109802), (6, 3554901), (7, 3047058), (9, 2369934), (14, 1523529), (18, 1184967), (21, 1015686), (27, 789978), (42, 507843), (49, 435294), (54, 394989), (63, 338562), (81, 263326), (98, 217647), (126, 169281), (147, 145098), (162, 131663), (189, 112854), (294, 72549), (378, 56427), (441, 48366), (567, 37618), (882, 24183), (1134, 18809), (1323, 16122), (2646, 8061), (2687, 7938), (3969, 5374)]