21196087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 24307200

約数和(自身を除く): 3111113

約数列:

[1, 11, 23, 199, 253, 421, 2189, 4577, 4631, 9683, 50347, 83779, 106513, 921569, 1926917, 21196087]

約数ペア:

[(1, 21196087), (11, 1926917), (23, 921569), (199, 106513), (253, 83779), (421, 50347), (2189, 9683), (4577, 4631)]