21900073

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 24466176

約数和(自身を除く): 2566103

約数列:

[1, 13, 47, 73, 491, 611, 949, 3431, 6383, 23077, 35843, 44603, 300001, 465959, 1684621, 21900073]

約数ペア:

[(1, 21900073), (13, 1684621), (47, 465959), (73, 300001), (491, 44603), (611, 35843), (949, 23077), (3431, 6383)]