21611322

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2235

約数の個数: 48

約数和(自身を含む): 51012000

約数和(自身を除く): 29400678

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2179, 3306, 4358, 4959, 6537, 9918, 13074, 19611, 39222, 41401, 63191, 82802, 124203, 126382, 189573, 248406, 372609, 379146, 568719, 745218, 1137438, 1200629, 2401258, 3601887, 7203774, 10805661, 21611322]

約数ペア:

[(1, 21611322), (2, 10805661), (3, 7203774), (6, 3601887), (9, 2401258), (18, 1200629), (19, 1137438), (29, 745218), (38, 568719), (57, 379146), (58, 372609), (87, 248406), (114, 189573), (171, 126382), (174, 124203), (261, 82802), (342, 63191), (522, 41401), (551, 39222), (1102, 19611), (1653, 13074), (2179, 9918), (3306, 6537), (4358, 4959)]