21729759

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 7905441

約数列:

[1, 3, 59, 177, 293, 419, 879, 1257, 17287, 24721, 51861, 74163, 122767, 368301, 7243253, 21729759]

約数ペア:

[(1, 21729759), (3, 7243253), (59, 368301), (177, 122767), (293, 74163), (419, 51861), (879, 24721), (1257, 17287)]