21906774

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4663}}^1$

素因数の和:4706

約数の個数: 40

約数和(自身を含む): 50790960

約数和(自身を除く): 28884186

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 4663, 4698, 9326, 13989, 27978, 41967, 83934, 125901, 135227, 251802, 270454, 377703, 405681, 755406, 811362, 1217043, 2434086, 3651129, 7302258, 10953387, 21906774]

約数ペア:

[(1, 21906774), (2, 10953387), (3, 7302258), (6, 3651129), (9, 2434086), (18, 1217043), (27, 811362), (29, 755406), (54, 405681), (58, 377703), (81, 270454), (87, 251802), (162, 135227), (174, 125901), (261, 83934), (522, 41967), (783, 27978), (1566, 13989), (2349, 9326), (4663, 4698)]