21738558

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8647}}^1$

素因数の和:9071

約数の個数: 16

約数和(自身を含む): 43585920

約数和(自身を除く): 21847362

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8647, 17294, 25941, 51882, 3623093, 7246186, 10869279, 21738558]

約数ペア:

[(1, 21738558), (2, 10869279), (3, 7246186), (6, 3623093), (419, 51882), (838, 25941), (1257, 17294), (2514, 8647)]