21881846

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 39124992

約数和(自身を除く): 17243146

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 397, 434, 794, 889, 1778, 2779, 3937, 5558, 7874, 12307, 24614, 27559, 50419, 55118, 86149, 100838, 172298, 352933, 705866, 1562989, 3125978, 10940923, 21881846]

約数ペア:

[(1, 21881846), (2, 10940923), (7, 3125978), (14, 1562989), (31, 705866), (62, 352933), (127, 172298), (217, 100838), (254, 86149), (397, 55118), (434, 50419), (794, 27559), (889, 24614), (1778, 12307), (2779, 7874), (3937, 5558)]