21903334

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{853}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 33879888

約数和(自身を除く): 11976554

約数列:

[1, 2, 37, 74, 347, 694, 853, 1706, 12839, 25678, 31561, 63122, 295991, 591982, 10951667, 21903334]

約数ペア:

[(1, 21903334), (2, 10951667), (37, 591982), (74, 295991), (347, 63122), (694, 31561), (853, 25678), (1706, 12839)]