21676716

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9942

約数の個数: 36

約数和(自身を含む): 55697824

約数和(自身を除く): 34021108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9871, 19742, 29613, 39484, 59226, 88839, 118452, 177678, 355356, 602131, 1204262, 1806393, 2408524, 3612786, 5419179, 7225572, 10838358, 21676716]

約数ペア:

[(1, 21676716), (2, 10838358), (3, 7225572), (4, 5419179), (6, 3612786), (9, 2408524), (12, 1806393), (18, 1204262), (36, 602131), (61, 355356), (122, 177678), (183, 118452), (244, 88839), (366, 59226), (549, 39484), (732, 29613), (1098, 19742), (2196, 9871)]