21048264

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7901}}^1$

素因数の和:7950

約数の個数: 48

約数和(自身を含む): 58553820

約数和(自身を除く): 37505556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7901, 15802, 23703, 31604, 47406, 63208, 71109, 94812, 142218, 189624, 284436, 292337, 568872, 584674, 877011, 1169348, 1754022, 2338696, 2631033, 3508044, 5262066, 7016088, 10524132, 21048264]

約数ペア:

[(1, 21048264), (2, 10524132), (3, 7016088), (4, 5262066), (6, 3508044), (8, 2631033), (9, 2338696), (12, 1754022), (18, 1169348), (24, 877011), (36, 584674), (37, 568872), (72, 292337), (74, 284436), (111, 189624), (148, 142218), (222, 94812), (296, 71109), (333, 63208), (444, 47406), (666, 31604), (888, 23703), (1332, 15802), (2664, 7901)]