21513649245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{938027}}^1$

素因数の和:938185

約数の個数: 32

約数和(自身を含む): 37821288960

約数和(自身を除く): 16307639715

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 1529, 2085, 4587, 7645, 22935, 938027, 2814081, 4690135, 10318297, 14070405, 30954891, 51591485, 130385753, 154774455, 391157259, 651928765, 1434243283, 1955786295, 4302729849, 7171216415, 21513649245]

約数ペア:

[(1, 21513649245), (3, 7171216415), (5, 4302729849), (11, 1955786295), (15, 1434243283), (33, 651928765), (55, 391157259), (139, 154774455), (165, 130385753), (417, 51591485), (695, 30954891), (1529, 14070405), (2085, 10318297), (4587, 4690135), (7645, 2814081), (22935, 938027)]