21102690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^2$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 58064832

約数和(自身を除く): 36962142

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 317, 634, 951, 1585, 1902, 2219, 3170, 4438, 4755, 6657, 9510, 11095, 13314, 22190, 33285, 66570, 100489, 200978, 301467, 502445, 602934, 703423, 1004890, 1406846, 1507335, 2110269, 3014670, 3517115, 4220538, 7034230, 10551345, 21102690]

約数ペア:

[(1, 21102690), (2, 10551345), (3, 7034230), (5, 4220538), (6, 3517115), (7, 3014670), (10, 2110269), (14, 1507335), (15, 1406846), (21, 1004890), (30, 703423), (35, 602934), (42, 502445), (70, 301467), (105, 200978), (210, 100489), (317, 66570), (634, 33285), (951, 22190), (1585, 13314), (1902, 11095), (2219, 9510), (3170, 6657), (4438, 4755)]