21559290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1637}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 30332550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1637, 2195, 2634, 3274, 4390, 4911, 6585, 8185, 9822, 13170, 16370, 24555, 49110, 718643, 1437286, 2155929, 3593215, 4311858, 7186430, 10779645, 21559290]

約数ペア:

[(1, 21559290), (2, 10779645), (3, 7186430), (5, 4311858), (6, 3593215), (10, 2155929), (15, 1437286), (30, 718643), (439, 49110), (878, 24555), (1317, 16370), (1637, 13170), (2195, 9822), (2634, 8185), (3274, 6585), (4390, 4911)]