21385676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17881}}^1$

素因数の和:17921

約数の個数: 24

約数和(自身を含む): 42058464

約数和(自身を除く): 20672788

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17881, 35762, 71524, 232453, 411263, 464906, 822526, 929812, 1645052, 5346419, 10692838, 21385676]

約数ペア:

[(1, 21385676), (2, 10692838), (4, 5346419), (13, 1645052), (23, 929812), (26, 822526), (46, 464906), (52, 411263), (92, 232453), (299, 71524), (598, 35762), (1196, 17881)]