21764040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 65620800

約数和(自身を除く): 43856760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 619, 879, 1172, 1238, 1465, 1758, 1857, 2344, 2476, 2930, 3095, 3516, 3714, 4395, 4952, 5860, 6190, 7032, 7428, 8790, 9285, 11720, 12380, 14856, 17580, 18570, 24760, 35160, 37140, 74280, 181367, 362734, 544101, 725468, 906835, 1088202, 1450936, 1813670, 2176404, 2720505, 3627340, 4352808, 5441010, 7254680, 10882020, 21764040]

約数ペア:

[(1, 21764040), (2, 10882020), (3, 7254680), (4, 5441010), (5, 4352808), (6, 3627340), (8, 2720505), (10, 2176404), (12, 1813670), (15, 1450936), (20, 1088202), (24, 906835), (30, 725468), (40, 544101), (60, 362734), (120, 181367), (293, 74280), (586, 37140), (619, 35160), (879, 24760), (1172, 18570), (1238, 17580), (1465, 14856), (1758, 12380), (1857, 11720), (2344, 9285), (2476, 8790), (2930, 7428), (3095, 7032), (3516, 6190), (3714, 5860), (4395, 4952)]