21331770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 54763776

約数和(自身を除く): 33432006

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 151, 170, 255, 277, 302, 453, 510, 554, 755, 831, 906, 1385, 1510, 1662, 2265, 2567, 2770, 4155, 4530, 4709, 5134, 7701, 8310, 9418, 12835, 14127, 15402, 23545, 25670, 28254, 38505, 41827, 47090, 70635, 77010, 83654, 125481, 141270, 209135, 250962, 418270, 627405, 711059, 1254810, 1422118, 2133177, 3555295, 4266354, 7110590, 10665885, 21331770]

約数ペア:

[(1, 21331770), (2, 10665885), (3, 7110590), (5, 4266354), (6, 3555295), (10, 2133177), (15, 1422118), (17, 1254810), (30, 711059), (34, 627405), (51, 418270), (85, 250962), (102, 209135), (151, 141270), (170, 125481), (255, 83654), (277, 77010), (302, 70635), (453, 47090), (510, 41827), (554, 38505), (755, 28254), (831, 25670), (906, 23545), (1385, 15402), (1510, 14127), (1662, 12835), (2265, 9418), (2567, 8310), (2770, 7701), (4155, 5134), (4530, 4709)]