21391682

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3378

約数の個数: 24

約数和(自身を含む): 36585360

約数和(自身を除く): 15193678

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 3331, 6422, 6662, 43303, 63289, 86606, 126578, 562939, 822757, 1125878, 1645514, 10695841, 21391682]

約数ペア:

[(1, 21391682), (2, 10695841), (13, 1645514), (19, 1125878), (26, 822757), (38, 562939), (169, 126578), (247, 86606), (338, 63289), (494, 43303), (3211, 6662), (3331, 6422)]