21674490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42499}}^1$

素因数の和:42526

約数の個数: 32

約数和(自身を含む): 55080000

約数和(自身を除く): 33405510

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42499, 84998, 127497, 212495, 254994, 424990, 637485, 722483, 1274970, 1444966, 2167449, 3612415, 4334898, 7224830, 10837245, 21674490]

約数ペア:

[(1, 21674490), (2, 10837245), (3, 7224830), (5, 4334898), (6, 3612415), (10, 2167449), (15, 1444966), (17, 1274970), (30, 722483), (34, 637485), (51, 424990), (85, 254994), (102, 212495), (170, 127497), (255, 84998), (510, 42499)]