21915980

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4703}}^1$

素因数の和:4945

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 24314932

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 4703, 9406, 18812, 23515, 47030, 94060, 1095799, 2191598, 4383196, 5478995, 10957990, 21915980]

約数ペア:

[(1, 21915980), (2, 10957990), (4, 5478995), (5, 4383196), (10, 2191598), (20, 1095799), (233, 94060), (466, 47030), (932, 23515), (1165, 18812), (2330, 9406), (4660, 4703)]