21151628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3769}}^1$

素因数の和:3857

約数の個数: 24

約数和(自身を含む): 39268320

約数和(自身を除く): 18116692

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3769, 5612, 7538, 15076, 86687, 173374, 229909, 346748, 459818, 919636, 5287907, 10575814, 21151628]

約数ペア:

[(1, 21151628), (2, 10575814), (4, 5287907), (23, 919636), (46, 459818), (61, 346748), (92, 229909), (122, 173374), (244, 86687), (1403, 15076), (2806, 7538), (3769, 5612)]