21809391844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2215501}}^1$

素因数の和:2215635

約数の個数: 24

約数和(自身を含む): 40198068288

約数和(自身を除く): 18388676444

約数列:

[1, 2, 4, 23, 46, 92, 107, 214, 428, 2461, 4922, 9844, 2215501, 4431002, 8862004, 50956523, 101913046, 203826092, 237058607, 474117214, 948234428, 5452347961, 10904695922, 21809391844]

約数ペア:

[(1, 21809391844), (2, 10904695922), (4, 5452347961), (23, 948234428), (46, 474117214), (92, 237058607), (107, 203826092), (214, 101913046), (428, 50956523), (2461, 8862004), (4922, 4431002), (9844, 2215501)]