21043380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9479}}^1$

素因数の和:9528

約数の個数: 48

約数和(自身を含む): 60520320

約数和(自身を除く): 39476940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9479, 18958, 28437, 37916, 47395, 56874, 94790, 113748, 142185, 189580, 284370, 350723, 568740, 701446, 1052169, 1402892, 1753615, 2104338, 3507230, 4208676, 5260845, 7014460, 10521690, 21043380]

約数ペア:

[(1, 21043380), (2, 10521690), (3, 7014460), (4, 5260845), (5, 4208676), (6, 3507230), (10, 2104338), (12, 1753615), (15, 1402892), (20, 1052169), (30, 701446), (37, 568740), (60, 350723), (74, 284370), (111, 189580), (148, 142185), (185, 113748), (222, 94790), (370, 56874), (444, 47395), (555, 37916), (740, 28437), (1110, 18958), (2220, 9479)]