21733680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 67968864

約数和(自身を除く): 46235184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 661, 685, 822, 1096, 1322, 1370, 1644, 1983, 2055, 2192, 2644, 2740, 3288, 3305, 3966, 4110, 5288, 5480, 6576, 6610, 7932, 8220, 9915, 10576, 10960, 13220, 15864, 16440, 19830, 26440, 31728, 32880, 39660, 52880, 79320, 90557, 158640, 181114, 271671, 362228, 452785, 543342, 724456, 905570, 1086684, 1358355, 1448912, 1811140, 2173368, 2716710, 3622280, 4346736, 5433420, 7244560, 10866840, 21733680]

約数ペア:

[(1, 21733680), (2, 10866840), (3, 7244560), (4, 5433420), (5, 4346736), (6, 3622280), (8, 2716710), (10, 2173368), (12, 1811140), (15, 1448912), (16, 1358355), (20, 1086684), (24, 905570), (30, 724456), (40, 543342), (48, 452785), (60, 362228), (80, 271671), (120, 181114), (137, 158640), (240, 90557), (274, 79320), (411, 52880), (548, 39660), (661, 32880), (685, 31728), (822, 26440), (1096, 19830), (1322, 16440), (1370, 15864), (1644, 13220), (1983, 10960), (2055, 10576), (2192, 9915), (2644, 8220), (2740, 7932), (3288, 6610), (3305, 6576), (3966, 5480), (4110, 5288)]