21931351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 25260480

約数和(自身を除く): 3329129

約数列:

[1, 13, 23, 41, 299, 533, 943, 1789, 12259, 23257, 41147, 73349, 534911, 953537, 1687027, 21931351]

約数ペア:

[(1, 21931351), (13, 1687027), (23, 953537), (41, 534911), (299, 73349), (533, 41147), (943, 23257), (1789, 12259)]