21195031

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3964649

約数列:

[1, 11, 13, 103, 143, 1133, 1339, 1439, 14729, 15829, 18707, 148217, 205777, 1630387, 1926821, 21195031]

約数ペア:

[(1, 21195031), (11, 1926821), (13, 1630387), (103, 205777), (143, 148217), (1133, 18707), (1339, 15829), (1439, 14729)]