21905790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3823}}^1$

素因数の和:4024

約数の個数: 32

約数和(自身を含む): 52862976

約数和(自身を除く): 30957186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 191, 382, 573, 955, 1146, 1910, 2865, 3823, 5730, 7646, 11469, 19115, 22938, 38230, 57345, 114690, 730193, 1460386, 2190579, 3650965, 4381158, 7301930, 10952895, 21905790]

約数ペア:

[(1, 21905790), (2, 10952895), (3, 7301930), (5, 4381158), (6, 3650965), (10, 2190579), (15, 1460386), (30, 730193), (191, 114690), (382, 57345), (573, 38230), (955, 22938), (1146, 19115), (1910, 11469), (2865, 7646), (3823, 5730)]