21728364

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5279}}^1$

素因数の和:5307

約数の個数: 48

約数和(自身を含む): 59136000

約数和(自身を除く): 37407636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5279, 10558, 15837, 21116, 31674, 36953, 63348, 73906, 110859, 147812, 221718, 258671, 443436, 517342, 776013, 1034684, 1552026, 1810697, 3104052, 3621394, 5432091, 7242788, 10864182, 21728364]

約数ペア:

[(1, 21728364), (2, 10864182), (3, 7242788), (4, 5432091), (6, 3621394), (7, 3104052), (12, 1810697), (14, 1552026), (21, 1034684), (28, 776013), (42, 517342), (49, 443436), (84, 258671), (98, 221718), (147, 147812), (196, 110859), (294, 73906), (343, 63348), (588, 36953), (686, 31674), (1029, 21116), (1372, 15837), (2058, 10558), (4116, 5279)]