21041760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 46453920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 708, 743, 885, 944, 1180, 1416, 1486, 1770, 1888, 2229, 2360, 2832, 2972, 3540, 3715, 4458, 4720, 5664, 5944, 7080, 7430, 8916, 9440, 11145, 11888, 14160, 14860, 17832, 22290, 23776, 28320, 29720, 35664, 43837, 44580, 59440, 71328, 87674, 89160, 118880, 131511, 175348, 178320, 219185, 263022, 350696, 356640, 438370, 526044, 657555, 701392, 876740, 1052088, 1315110, 1402784, 1753480, 2104176, 2630220, 3506960, 4208352, 5260440, 7013920, 10520880, 21041760]

約数ペア:

[(1, 21041760), (2, 10520880), (3, 7013920), (4, 5260440), (5, 4208352), (6, 3506960), (8, 2630220), (10, 2104176), (12, 1753480), (15, 1402784), (16, 1315110), (20, 1052088), (24, 876740), (30, 701392), (32, 657555), (40, 526044), (48, 438370), (59, 356640), (60, 350696), (80, 263022), (96, 219185), (118, 178320), (120, 175348), (160, 131511), (177, 118880), (236, 89160), (240, 87674), (295, 71328), (354, 59440), (472, 44580), (480, 43837), (590, 35664), (708, 29720), (743, 28320), (885, 23776), (944, 22290), (1180, 17832), (1416, 14860), (1486, 14160), (1770, 11888), (1888, 11145), (2229, 9440), (2360, 8916), (2832, 7430), (2972, 7080), (3540, 5944), (3715, 5664), (4458, 4720)]