21000388596

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1161269}}^1$

素因数の和:1161424

約数の個数: 48

約数和(自身を含む): 53845767360

約数和(自身を除く): 32845378764

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 137, 274, 411, 548, 822, 1507, 1644, 3014, 4521, 6028, 9042, 18084, 1161269, 2322538, 3483807, 4645076, 6967614, 12773959, 13935228, 25547918, 38321877, 51095836, 76643754, 153287508, 159093853, 318187706, 477281559, 636375412, 954563118, 1750032383, 1909126236, 3500064766, 5250097149, 7000129532, 10500194298, 21000388596]

約数ペア:

[(1, 21000388596), (2, 10500194298), (3, 7000129532), (4, 5250097149), (6, 3500064766), (11, 1909126236), (12, 1750032383), (22, 954563118), (33, 636375412), (44, 477281559), (66, 318187706), (132, 159093853), (137, 153287508), (274, 76643754), (411, 51095836), (548, 38321877), (822, 25547918), (1507, 13935228), (1644, 12773959), (3014, 6967614), (4521, 4645076), (6028, 3483807), (9042, 2322538), (18084, 1161269)]