21743388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 57985200

約数和(自身を除く): 36241812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 59, 87, 116, 118, 174, 177, 236, 261, 348, 353, 354, 522, 531, 706, 708, 1044, 1059, 1062, 1412, 1711, 2118, 2124, 3177, 3422, 4236, 5133, 6354, 6844, 10237, 10266, 12708, 15399, 20474, 20532, 20827, 30711, 30798, 40948, 41654, 61422, 61596, 62481, 83308, 92133, 122844, 124962, 184266, 187443, 249924, 368532, 374886, 603983, 749772, 1207966, 1811949, 2415932, 3623898, 5435847, 7247796, 10871694, 21743388]

約数ペア:

[(1, 21743388), (2, 10871694), (3, 7247796), (4, 5435847), (6, 3623898), (9, 2415932), (12, 1811949), (18, 1207966), (29, 749772), (36, 603983), (58, 374886), (59, 368532), (87, 249924), (116, 187443), (118, 184266), (174, 124962), (177, 122844), (236, 92133), (261, 83308), (348, 62481), (353, 61596), (354, 61422), (522, 41654), (531, 40948), (706, 30798), (708, 30711), (1044, 20827), (1059, 20532), (1062, 20474), (1412, 15399), (1711, 12708), (2118, 10266), (2124, 10237), (3177, 6844), (3422, 6354), (4236, 5133)]