21587838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 45657600

約数和(自身を除く): 24069762

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 409, 463, 818, 926, 1227, 1389, 2454, 2778, 7771, 8797, 15542, 17594, 23313, 26391, 46626, 52782, 189367, 378734, 568101, 1136202, 3597973, 7195946, 10793919, 21587838]

約数ペア:

[(1, 21587838), (2, 10793919), (3, 7195946), (6, 3597973), (19, 1136202), (38, 568101), (57, 378734), (114, 189367), (409, 52782), (463, 46626), (818, 26391), (926, 23313), (1227, 17594), (1389, 15542), (2454, 8797), (2778, 7771)]