21081546

素因数分解:

$2^1\times 3^4\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:920

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 26485974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 179, 358, 537, 727, 1074, 1454, 1611, 2181, 3222, 4362, 4833, 6543, 9666, 13086, 14499, 19629, 28998, 39258, 58887, 117774, 130133, 260266, 390399, 780798, 1171197, 2342394, 3513591, 7027182, 10540773, 21081546]

約数ペア:

[(1, 21081546), (2, 10540773), (3, 7027182), (6, 3513591), (9, 2342394), (18, 1171197), (27, 780798), (54, 390399), (81, 260266), (162, 130133), (179, 117774), (358, 58887), (537, 39258), (727, 28998), (1074, 19629), (1454, 14499), (1611, 13086), (2181, 9666), (3222, 6543), (4362, 4833)]