21421770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6551}}^1$

素因数の和:6670

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 30470070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6551, 13102, 19653, 32755, 39306, 65510, 98265, 196530, 714059, 1428118, 2142177, 3570295, 4284354, 7140590, 10710885, 21421770]

約数ペア:

[(1, 21421770), (2, 10710885), (3, 7140590), (5, 4284354), (6, 3570295), (10, 2142177), (15, 1428118), (30, 714059), (109, 196530), (218, 98265), (327, 65510), (545, 39306), (654, 32755), (1090, 19653), (1635, 13102), (3270, 6551)]