21108056

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 42066000

約数和(自身を除く): 20957944

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2459, 4292, 4918, 8584, 9836, 19672, 71311, 90983, 142622, 181966, 285244, 363932, 570488, 727864, 2638507, 5277014, 10554028, 21108056]

約数ペア:

[(1, 21108056), (2, 10554028), (4, 5277014), (8, 2638507), (29, 727864), (37, 570488), (58, 363932), (74, 285244), (116, 181966), (148, 142622), (232, 90983), (296, 71311), (1073, 19672), (2146, 9836), (2459, 8584), (4292, 4918)]