21460560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{739}}^1$

素因数の和:777

約数の個数: 120

約数和(自身を含む): 73224480

約数和(自身を除く): 51763920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 739, 880, 968, 1210, 1320, 1452, 1478, 1815, 1936, 2217, 2420, 2640, 2904, 2956, 3630, 3695, 4434, 4840, 5808, 5912, 7260, 7390, 8129, 8868, 9680, 11085, 11824, 14520, 14780, 16258, 17736, 22170, 24387, 29040, 29560, 32516, 35472, 40645, 44340, 48774, 59120, 65032, 81290, 88680, 89419, 97548, 121935, 130064, 162580, 177360, 178838, 195096, 243870, 268257, 325160, 357676, 390192, 447095, 487740, 536514, 650320, 715352, 894190, 975480, 1073028, 1341285, 1430704, 1788380, 1950960, 2146056, 2682570, 3576760, 4292112, 5365140, 7153520, 10730280, 21460560]

約数ペア:

[(1, 21460560), (2, 10730280), (3, 7153520), (4, 5365140), (5, 4292112), (6, 3576760), (8, 2682570), (10, 2146056), (11, 1950960), (12, 1788380), (15, 1430704), (16, 1341285), (20, 1073028), (22, 975480), (24, 894190), (30, 715352), (33, 650320), (40, 536514), (44, 487740), (48, 447095), (55, 390192), (60, 357676), (66, 325160), (80, 268257), (88, 243870), (110, 195096), (120, 178838), (121, 177360), (132, 162580), (165, 130064), (176, 121935), (220, 97548), (240, 89419), (242, 88680), (264, 81290), (330, 65032), (363, 59120), (440, 48774), (484, 44340), (528, 40645), (605, 35472), (660, 32516), (726, 29560), (739, 29040), (880, 24387), (968, 22170), (1210, 17736), (1320, 16258), (1452, 14780), (1478, 14520), (1815, 11824), (1936, 11085), (2217, 9680), (2420, 8868), (2640, 8129), (2904, 7390), (2956, 7260), (3630, 5912), (3695, 5808), (4434, 4840)]