21643182

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 51470640

約数和(自身を除く): 29827458

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 281, 389, 562, 778, 843, 1167, 1686, 2334, 2529, 3091, 3501, 4279, 5058, 6182, 7002, 8558, 9273, 12837, 18546, 25674, 27819, 38511, 55638, 77022, 109309, 218618, 327927, 655854, 983781, 1202399, 1967562, 2404798, 3607197, 7214394, 10821591, 21643182]

約数ペア:

[(1, 21643182), (2, 10821591), (3, 7214394), (6, 3607197), (9, 2404798), (11, 1967562), (18, 1202399), (22, 983781), (33, 655854), (66, 327927), (99, 218618), (198, 109309), (281, 77022), (389, 55638), (562, 38511), (778, 27819), (843, 25674), (1167, 18546), (1686, 12837), (2334, 9273), (2529, 8558), (3091, 7002), (3501, 6182), (4279, 5058)]