21496881

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44507}}^1$

素因数の和:44540

約数の個数: 16

約数和(自身を含む): 34182144

約数和(自身を除く): 12685263

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44507, 133521, 311549, 934647, 1023661, 3070983, 7165627, 21496881]

約数ペア:

[(1, 21496881), (3, 7165627), (7, 3070983), (21, 1023661), (23, 934647), (69, 311549), (161, 133521), (483, 44507)]