21816252

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{877}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 55289416

約数和(自身を除く): 33473164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 877, 1382, 1754, 2073, 2631, 2764, 3508, 4146, 5262, 6219, 7893, 8292, 10524, 12438, 15786, 24876, 31572, 606007, 1212014, 1818021, 2424028, 3636042, 5454063, 7272084, 10908126, 21816252]

約数ペア:

[(1, 21816252), (2, 10908126), (3, 7272084), (4, 5454063), (6, 3636042), (9, 2424028), (12, 1818021), (18, 1212014), (36, 606007), (691, 31572), (877, 24876), (1382, 15786), (1754, 12438), (2073, 10524), (2631, 8292), (2764, 7893), (3508, 6219), (4146, 5262)]