21556796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4421}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 40116384

約数和(自身を除く): 18559588

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4421, 4876, 8842, 17684, 101683, 203366, 234313, 406732, 468626, 937252, 5389199, 10778398, 21556796]

約数ペア:

[(1, 21556796), (2, 10778398), (4, 5389199), (23, 937252), (46, 468626), (53, 406732), (92, 234313), (106, 203366), (212, 101683), (1219, 17684), (2438, 8842), (4421, 4876)]