21244518

素因数分解:

$2^1\times 3^8\times {\mathrm{1619}}^1$

素因数の和:1645

約数の個数: 36

約数和(自身を含む): 47827260

約数和(自身を除く): 26582742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1619, 2187, 3238, 4374, 4857, 6561, 9714, 13122, 14571, 29142, 43713, 87426, 131139, 262278, 393417, 786834, 1180251, 2360502, 3540753, 7081506, 10622259, 21244518]

約数ペア:

[(1, 21244518), (2, 10622259), (3, 7081506), (6, 3540753), (9, 2360502), (18, 1180251), (27, 786834), (54, 393417), (81, 262278), (162, 131139), (243, 87426), (486, 43713), (729, 29142), (1458, 14571), (1619, 13122), (2187, 9714), (3238, 6561), (4374, 4857)]