21902076004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{443039}}^1$

素因数の和:443787

約数の個数: 24

約数和(自身を含む): 40639173120

約数和(自身を除く): 18737097116

約数列:

[1, 2, 4, 17, 34, 68, 727, 1454, 2908, 12359, 24718, 49436, 443039, 886078, 1772156, 7531663, 15063326, 30126652, 322089353, 644178706, 1288357412, 5475519001, 10951038002, 21902076004]

約数ペア:

[(1, 21902076004), (2, 10951038002), (4, 5475519001), (17, 1288357412), (34, 644178706), (68, 322089353), (727, 30126652), (1454, 15063326), (2908, 7531663), (12359, 1772156), (24718, 886078), (49436, 443039)]