21242562

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4409}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 46992960

約数和(自身を除く): 25750398

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4409, 4818, 8818, 13227, 26454, 48499, 96998, 145497, 290994, 321857, 643714, 965571, 1931142, 3540427, 7080854, 10621281, 21242562]

約数ペア:

[(1, 21242562), (2, 10621281), (3, 7080854), (6, 3540427), (11, 1931142), (22, 965571), (33, 643714), (66, 321857), (73, 290994), (146, 145497), (219, 96998), (438, 48499), (803, 26454), (1606, 13227), (2409, 8818), (4409, 4818)]