21820980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363683}}^1$

素因数の和:363695

約数の個数: 24

約数和(自身を含む): 61098912

約数和(自身を除く): 39277932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363683, 727366, 1091049, 1454732, 1818415, 2182098, 3636830, 4364196, 5455245, 7273660, 10910490, 21820980]

約数ペア:

[(1, 21820980), (2, 10910490), (3, 7273660), (4, 5455245), (5, 4364196), (6, 3636830), (10, 2182098), (12, 1818415), (15, 1454732), (20, 1091049), (30, 727366), (60, 363683)]