21517320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16301}}^1$

素因数の和:16326

約数の個数: 64

約数和(自身を含む): 70424640

約数和(自身を除く): 48907320

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, 16301, 32602, 48903, 65204, 81505, 97806, 130408, 163010, 179311, 195612, 244515, 326020, 358622, 391224, 489030, 537933, 652040, 717244, 896555, 978060, 1075866, 1434488, 1793110, 1956120, 2151732, 2689665, 3586220, 4303464, 5379330, 7172440, 10758660, 21517320]

約数ペア:

[(1, 21517320), (2, 10758660), (3, 7172440), (4, 5379330), (5, 4303464), (6, 3586220), (8, 2689665), (10, 2151732), (11, 1956120), (12, 1793110), (15, 1434488), (20, 1075866), (22, 978060), (24, 896555), (30, 717244), (33, 652040), (40, 537933), (44, 489030), (55, 391224), (60, 358622), (66, 326020), (88, 244515), (110, 195612), (120, 179311), (132, 163010), (165, 130408), (220, 97806), (264, 81505), (330, 65204), (440, 48903), (660, 32602), (1320, 16301)]