21088028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1433}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 39911088

約数和(自身を除く): 18823060

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1132, 1433, 2866, 3679, 5732, 7358, 14716, 18629, 37258, 74516, 405539, 811078, 1622156, 5272007, 10544014, 21088028]

約数ペア:

[(1, 21088028), (2, 10544014), (4, 5272007), (13, 1622156), (26, 811078), (52, 405539), (283, 74516), (566, 37258), (1132, 18629), (1433, 14716), (2866, 7358), (3679, 5732)]