21976680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16649}}^1$

素因数の和:16674

約数の個数: 64

約数和(自身を含む): 71928000

約数和(自身を除く): 49951320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16649, 33298, 49947, 66596, 83245, 99894, 133192, 166490, 183139, 199788, 249735, 332980, 366278, 399576, 499470, 549417, 665960, 732556, 915695, 998940, 1098834, 1465112, 1831390, 1997880, 2197668, 2747085, 3662780, 4395336, 5494170, 7325560, 10988340, 21976680]

約数ペア:

[(1, 21976680), (2, 10988340), (3, 7325560), (4, 5494170), (5, 4395336), (6, 3662780), (8, 2747085), (10, 2197668), (11, 1997880), (12, 1831390), (15, 1465112), (20, 1098834), (22, 998940), (24, 915695), (30, 732556), (33, 665960), (40, 549417), (44, 499470), (55, 399576), (60, 366278), (66, 332980), (88, 249735), (110, 199788), (120, 183139), (132, 166490), (165, 133192), (220, 99894), (264, 83245), (330, 66596), (440, 49947), (660, 33298), (1320, 16649)]