21667016

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 48810240

約数和(自身を除く): 27143224

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 1783, 3038, 3566, 6076, 7132, 12152, 12481, 14264, 24962, 49924, 55273, 87367, 99848, 110546, 174734, 221092, 349468, 386911, 442184, 698936, 773822, 1547644, 2708377, 3095288, 5416754, 10833508, 21667016]

約数ペア:

[(1, 21667016), (2, 10833508), (4, 5416754), (7, 3095288), (8, 2708377), (14, 1547644), (28, 773822), (31, 698936), (49, 442184), (56, 386911), (62, 349468), (98, 221092), (124, 174734), (196, 110546), (217, 99848), (248, 87367), (392, 55273), (434, 49924), (868, 24962), (1519, 14264), (1736, 12481), (1783, 12152), (3038, 7132), (3566, 6076)]