21982510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{593}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 43366752

約数和(自身を除く): 21384242

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 337, 593, 674, 1186, 1685, 2965, 3370, 3707, 5930, 6523, 7414, 13046, 18535, 32615, 37070, 65230, 199841, 399682, 999205, 1998410, 2198251, 4396502, 10991255, 21982510]

約数ペア:

[(1, 21982510), (2, 10991255), (5, 4396502), (10, 2198251), (11, 1998410), (22, 999205), (55, 399682), (110, 199841), (337, 65230), (593, 37070), (674, 32615), (1186, 18535), (1685, 13046), (2965, 7414), (3370, 6523), (3707, 5930)]