21448680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16249}}^1$

素因数の和:16274

約数の個数: 64

約数和(自身を含む): 70200000

約数和(自身を除く): 48751320

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, 16249, 32498, 48747, 64996, 81245, 97494, 129992, 162490, 178739, 194988, 243735, 324980, 357478, 389976, 487470, 536217, 649960, 714956, 893695, 974940, 1072434, 1429912, 1787390, 1949880, 2144868, 2681085, 3574780, 4289736, 5362170, 7149560, 10724340, 21448680]

約数ペア:

[(1, 21448680), (2, 10724340), (3, 7149560), (4, 5362170), (5, 4289736), (6, 3574780), (8, 2681085), (10, 2144868), (11, 1949880), (12, 1787390), (15, 1429912), (20, 1072434), (22, 974940), (24, 893695), (30, 714956), (33, 649960), (40, 536217), (44, 487470), (55, 389976), (60, 357478), (66, 324980), (88, 243735), (110, 194988), (120, 178739), (132, 162490), (165, 129992), (220, 97494), (264, 81245), (330, 64996), (440, 48747), (660, 32498), (1320, 16249)]