21867660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121487}}^1$

素因数の和:121502

約数の個数: 36

約数和(自身を含む): 66332448

約数和(自身を除く): 44464788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121487, 242974, 364461, 485948, 607435, 728922, 1093383, 1214870, 1457844, 1822305, 2186766, 2429740, 3644610, 4373532, 5466915, 7289220, 10933830, 21867660]

約数ペア:

[(1, 21867660), (2, 10933830), (3, 7289220), (4, 5466915), (5, 4373532), (6, 3644610), (9, 2429740), (10, 2186766), (12, 1822305), (15, 1457844), (18, 1214870), (20, 1093383), (30, 728922), (36, 607435), (45, 485948), (60, 364461), (90, 242974), (180, 121487)]