21009482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{911}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 13004470

約数列:

[1, 2, 13, 26, 887, 911, 1774, 1822, 11531, 11843, 23062, 23686, 808057, 1616114, 10504741, 21009482]

約数ペア:

[(1, 21009482), (2, 10504741), (13, 1616114), (26, 808057), (887, 23686), (911, 23062), (1774, 11843), (1822, 11531)]