21402282

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 48894048

約数和(自身を除く): 27491766

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 529, 613, 759, 1058, 1226, 1518, 1587, 1839, 3174, 3678, 5819, 6743, 11638, 13486, 14099, 17457, 20229, 28198, 34914, 40458, 42297, 84594, 155089, 310178, 324277, 465267, 648554, 930534, 972831, 1945662, 3567047, 7134094, 10701141, 21402282]

約数ペア:

[(1, 21402282), (2, 10701141), (3, 7134094), (6, 3567047), (11, 1945662), (22, 972831), (23, 930534), (33, 648554), (46, 465267), (66, 324277), (69, 310178), (138, 155089), (253, 84594), (506, 42297), (529, 40458), (613, 34914), (759, 28198), (1058, 20229), (1226, 17457), (1518, 14099), (1587, 13486), (1839, 11638), (3174, 6743), (3678, 5819)]