21675840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 112

約数和(自身を含む): 70055232

約数和(自身を除く): 48379392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 320, 335, 337, 402, 480, 536, 670, 674, 804, 960, 1005, 1011, 1072, 1340, 1348, 1608, 1685, 2010, 2022, 2144, 2680, 2696, 3216, 3370, 4020, 4044, 4288, 5055, 5360, 5392, 6432, 6740, 8040, 8088, 10110, 10720, 10784, 12864, 13480, 16080, 16176, 20220, 21440, 21568, 22579, 26960, 32160, 32352, 40440, 45158, 53920, 64320, 64704, 67737, 80880, 90316, 107840, 112895, 135474, 161760, 180632, 225790, 270948, 323520, 338685, 361264, 451580, 541896, 677370, 722528, 903160, 1083792, 1354740, 1445056, 1806320, 2167584, 2709480, 3612640, 4335168, 5418960, 7225280, 10837920, 21675840]

約数ペア:

[(1, 21675840), (2, 10837920), (3, 7225280), (4, 5418960), (5, 4335168), (6, 3612640), (8, 2709480), (10, 2167584), (12, 1806320), (15, 1445056), (16, 1354740), (20, 1083792), (24, 903160), (30, 722528), (32, 677370), (40, 541896), (48, 451580), (60, 361264), (64, 338685), (67, 323520), (80, 270948), (96, 225790), (120, 180632), (134, 161760), (160, 135474), (192, 112895), (201, 107840), (240, 90316), (268, 80880), (320, 67737), (335, 64704), (337, 64320), (402, 53920), (480, 45158), (536, 40440), (670, 32352), (674, 32160), (804, 26960), (960, 22579), (1005, 21568), (1011, 21440), (1072, 20220), (1340, 16176), (1348, 16080), (1608, 13480), (1685, 12864), (2010, 10784), (2022, 10720), (2144, 10110), (2680, 8088), (2696, 8040), (3216, 6740), (3370, 6432), (4020, 5392), (4044, 5360), (4288, 5055)]