21721260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32911}}^1$

素因数の和:32934

約数の個数: 48

約数和(自身を含む): 66350592

約数和(自身を除く): 44629332

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32911, 65822, 98733, 131644, 164555, 197466, 329110, 362021, 394932, 493665, 658220, 724042, 987330, 1086063, 1448084, 1810105, 1974660, 2172126, 3620210, 4344252, 5430315, 7240420, 10860630, 21721260]

約数ペア:

[(1, 21721260), (2, 10860630), (3, 7240420), (4, 5430315), (5, 4344252), (6, 3620210), (10, 2172126), (11, 1974660), (12, 1810105), (15, 1448084), (20, 1086063), (22, 987330), (30, 724042), (33, 658220), (44, 493665), (55, 394932), (60, 362021), (66, 329110), (110, 197466), (132, 164555), (165, 131644), (220, 98733), (330, 65822), (660, 32911)]