21710760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 65491200

約数和(自身を除く): 43780440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 757, 956, 1195, 1434, 1514, 1912, 2271, 2390, 2868, 3028, 3585, 3785, 4542, 4780, 5736, 6056, 7170, 7570, 9084, 9560, 11355, 14340, 15140, 18168, 22710, 28680, 30280, 45420, 90840, 180923, 361846, 542769, 723692, 904615, 1085538, 1447384, 1809230, 2171076, 2713845, 3618460, 4342152, 5427690, 7236920, 10855380, 21710760]

約数ペア:

[(1, 21710760), (2, 10855380), (3, 7236920), (4, 5427690), (5, 4342152), (6, 3618460), (8, 2713845), (10, 2171076), (12, 1809230), (15, 1447384), (20, 1085538), (24, 904615), (30, 723692), (40, 542769), (60, 361846), (120, 180923), (239, 90840), (478, 45420), (717, 30280), (757, 28680), (956, 22710), (1195, 18168), (1434, 15140), (1514, 14340), (1912, 11355), (2271, 9560), (2390, 9084), (2868, 7570), (3028, 7170), (3585, 6056), (3785, 5736), (4542, 4780)]