21955823

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 24463296

約数和(自身を除く): 2507473

約数列:

[1, 17, 23, 233, 241, 391, 3961, 4097, 5359, 5543, 56153, 91103, 94231, 954601, 1291519, 21955823]

約数ペア:

[(1, 21955823), (17, 1291519), (23, 954601), (233, 94231), (241, 91103), (391, 56153), (3961, 5543), (4097, 5359)]