21852668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1373}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 40164768

約数和(自身を除く): 18312100

約数列:

[1, 2, 4, 23, 46, 92, 173, 346, 692, 1373, 2746, 3979, 5492, 7958, 15916, 31579, 63158, 126316, 237529, 475058, 950116, 5463167, 10926334, 21852668]

約数ペア:

[(1, 21852668), (2, 10926334), (4, 5463167), (23, 950116), (46, 475058), (92, 237529), (173, 126316), (346, 63158), (692, 31579), (1373, 15916), (2746, 7958), (3979, 5492)]