21892020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1151}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 39652428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1151, 1268, 1585, 1902, 2302, 3170, 3453, 3804, 4604, 4755, 5755, 6340, 6906, 9510, 11510, 13812, 17265, 19020, 23020, 34530, 69060, 364867, 729734, 1094601, 1459468, 1824335, 2189202, 3648670, 4378404, 5473005, 7297340, 10946010, 21892020]

約数ペア:

[(1, 21892020), (2, 10946010), (3, 7297340), (4, 5473005), (5, 4378404), (6, 3648670), (10, 2189202), (12, 1824335), (15, 1459468), (20, 1094601), (30, 729734), (60, 364867), (317, 69060), (634, 34530), (951, 23020), (1151, 19020), (1268, 17265), (1585, 13812), (1902, 11510), (2302, 9510), (3170, 6906), (3453, 6340), (3804, 5755), (4604, 4755)]