21029280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 66878784

約数和(自身を除く): 45849504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 193, 227, 240, 386, 454, 480, 579, 681, 772, 908, 965, 1135, 1158, 1362, 1544, 1816, 1930, 2270, 2316, 2724, 2895, 3088, 3405, 3632, 3860, 4540, 4632, 5448, 5790, 6176, 6810, 7264, 7720, 9080, 9264, 10896, 11580, 13620, 15440, 18160, 18528, 21792, 23160, 27240, 30880, 36320, 43811, 46320, 54480, 87622, 92640, 108960, 131433, 175244, 219055, 262866, 350488, 438110, 525732, 657165, 700976, 876220, 1051464, 1314330, 1401952, 1752440, 2102928, 2628660, 3504880, 4205856, 5257320, 7009760, 10514640, 21029280]

約数ペア:

[(1, 21029280), (2, 10514640), (3, 7009760), (4, 5257320), (5, 4205856), (6, 3504880), (8, 2628660), (10, 2102928), (12, 1752440), (15, 1401952), (16, 1314330), (20, 1051464), (24, 876220), (30, 700976), (32, 657165), (40, 525732), (48, 438110), (60, 350488), (80, 262866), (96, 219055), (120, 175244), (160, 131433), (193, 108960), (227, 92640), (240, 87622), (386, 54480), (454, 46320), (480, 43811), (579, 36320), (681, 30880), (772, 27240), (908, 23160), (965, 21792), (1135, 18528), (1158, 18160), (1362, 15440), (1544, 13620), (1816, 11580), (1930, 10896), (2270, 9264), (2316, 9080), (2724, 7720), (2895, 7264), (3088, 6810), (3405, 6176), (3632, 5790), (3860, 5448), (4540, 4632)]