21805506

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1203

約数の個数: 48

約数和(自身を含む): 50239800

約数和(自身を除く): 28434294

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1073, 1129, 2146, 2258, 3219, 3387, 6438, 6774, 9657, 10161, 19314, 20322, 32741, 41773, 65482, 83546, 98223, 125319, 196446, 250638, 294669, 375957, 589338, 751914, 1211417, 2422834, 3634251, 7268502, 10902753, 21805506]

約数ペア:

[(1, 21805506), (2, 10902753), (3, 7268502), (6, 3634251), (9, 2422834), (18, 1211417), (29, 751914), (37, 589338), (58, 375957), (74, 294669), (87, 250638), (111, 196446), (174, 125319), (222, 98223), (261, 83546), (333, 65482), (522, 41773), (666, 32741), (1073, 20322), (1129, 19314), (2146, 10161), (2258, 9657), (3219, 6774), (3387, 6438)]