21727482

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 50922432

約数和(自身を除く): 29194950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 263, 281, 294, 526, 562, 789, 843, 1578, 1686, 1841, 1967, 3682, 3934, 5523, 5901, 11046, 11802, 12887, 13769, 25774, 27538, 38661, 41307, 73903, 77322, 82614, 147806, 221709, 443418, 517321, 1034642, 1551963, 3103926, 3621247, 7242494, 10863741, 21727482]

約数ペア:

[(1, 21727482), (2, 10863741), (3, 7242494), (6, 3621247), (7, 3103926), (14, 1551963), (21, 1034642), (42, 517321), (49, 443418), (98, 221709), (147, 147806), (263, 82614), (281, 77322), (294, 73903), (526, 41307), (562, 38661), (789, 27538), (843, 25774), (1578, 13769), (1686, 12887), (1841, 11802), (1967, 11046), (3682, 5901), (3934, 5523)]