21998264

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4211}}^1$

素因数の和:4870

約数の個数: 16

約数和(自身を含む): 41319720

約数和(自身を除く): 19321456

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4211, 5224, 8422, 16844, 33688, 2749783, 5499566, 10999132, 21998264]

約数ペア:

[(1, 21998264), (2, 10999132), (4, 5499566), (8, 2749783), (653, 33688), (1306, 16844), (2612, 8422), (4211, 5224)]