21093180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1109}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 59300640

約数和(自身を除く): 38207460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1109, 1268, 1585, 1902, 2218, 3170, 3327, 3804, 4436, 4755, 5545, 6340, 6654, 9510, 11090, 13308, 16635, 19020, 22180, 33270, 66540, 351553, 703106, 1054659, 1406212, 1757765, 2109318, 3515530, 4218636, 5273295, 7031060, 10546590, 21093180]

約数ペア:

[(1, 21093180), (2, 10546590), (3, 7031060), (4, 5273295), (5, 4218636), (6, 3515530), (10, 2109318), (12, 1757765), (15, 1406212), (20, 1054659), (30, 703106), (60, 351553), (317, 66540), (634, 33270), (951, 22180), (1109, 19020), (1268, 16635), (1585, 13308), (1902, 11090), (2218, 9510), (3170, 6654), (3327, 6340), (3804, 5545), (4436, 4755)]