21454876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1433}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 39750480

約数和(自身を除く): 18295604

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1433, 2866, 3743, 5732, 7486, 14972, 27227, 54454, 108908, 282301, 564602, 1129204, 5363719, 10727438, 21454876]

約数ペア:

[(1, 21454876), (2, 10727438), (4, 5363719), (19, 1129204), (38, 564602), (76, 282301), (197, 108908), (394, 54454), (788, 27227), (1433, 14972), (2866, 7486), (3743, 5732)]