21698396

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 39035136

約数和(自身を除く): 17336740

約数列:

[1, 2, 4, 47, 94, 188, 211, 422, 547, 844, 1094, 2188, 9917, 19834, 25709, 39668, 51418, 102836, 115417, 230834, 461668, 5424599, 10849198, 21698396]

約数ペア:

[(1, 21698396), (2, 10849198), (4, 5424599), (47, 461668), (94, 230834), (188, 115417), (211, 102836), (422, 51418), (547, 39668), (844, 25709), (1094, 19834), (2188, 9917)]