21260364

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 30483636

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 199, 307, 348, 398, 597, 614, 796, 921, 1194, 1228, 1842, 2388, 3684, 5771, 8903, 11542, 17313, 17806, 23084, 26709, 34626, 35612, 53418, 61093, 69252, 106836, 122186, 183279, 244372, 366558, 733116, 1771697, 3543394, 5315091, 7086788, 10630182, 21260364]

約数ペア:

[(1, 21260364), (2, 10630182), (3, 7086788), (4, 5315091), (6, 3543394), (12, 1771697), (29, 733116), (58, 366558), (87, 244372), (116, 183279), (174, 122186), (199, 106836), (307, 69252), (348, 61093), (398, 53418), (597, 35612), (614, 34626), (796, 26709), (921, 23084), (1194, 17806), (1228, 17313), (1842, 11542), (2388, 8903), (3684, 5771)]