21485124

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 57919680

約数和(自身を除く): 36434556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 101, 114, 171, 202, 228, 303, 311, 342, 404, 606, 622, 684, 909, 933, 1212, 1244, 1818, 1866, 1919, 2799, 3636, 3732, 3838, 5598, 5757, 5909, 7676, 11196, 11514, 11818, 17271, 17727, 23028, 23636, 31411, 34542, 35454, 53181, 62822, 69084, 70908, 94233, 106362, 125644, 188466, 212724, 282699, 376932, 565398, 596809, 1130796, 1193618, 1790427, 2387236, 3580854, 5371281, 7161708, 10742562, 21485124]

約数ペア:

[(1, 21485124), (2, 10742562), (3, 7161708), (4, 5371281), (6, 3580854), (9, 2387236), (12, 1790427), (18, 1193618), (19, 1130796), (36, 596809), (38, 565398), (57, 376932), (76, 282699), (101, 212724), (114, 188466), (171, 125644), (202, 106362), (228, 94233), (303, 70908), (311, 69084), (342, 62822), (404, 53181), (606, 35454), (622, 34542), (684, 31411), (909, 23636), (933, 23028), (1212, 17727), (1244, 17271), (1818, 11818), (1866, 11514), (1919, 11196), (2799, 7676), (3636, 5909), (3732, 5757), (3838, 5598)]