21291363909

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{58207}}^1$

素因数の和:58729

約数の個数: 24

約数和(自身を含む): 31145936640

約数和(自身を除く): 9854572731

約数列:

[1, 3, 9, 97, 291, 419, 873, 1257, 3771, 40643, 58207, 121929, 174621, 365787, 523863, 5646079, 16938237, 24388733, 50814711, 73166199, 219498597, 2365707101, 7097121303, 21291363909]

約数ペア:

[(1, 21291363909), (3, 7097121303), (9, 2365707101), (97, 219498597), (291, 73166199), (419, 50814711), (873, 24388733), (1257, 16938237), (3771, 5646079), (40643, 523863), (58207, 365787), (121929, 174621)]