21000742047

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{94543}}^1$

素因数の和:95004

約数の個数: 32

約数和(自身を含む): 32825676800

約数和(自身を除く): 11824934753

約数列:

[1, 3, 9, 19, 27, 57, 171, 433, 513, 1299, 3897, 8227, 11691, 24681, 74043, 94543, 222129, 283629, 850887, 1796317, 2552661, 5388951, 16166853, 40937119, 48500559, 122811357, 368434071, 777805261, 1105302213, 2333415783, 7000247349, 21000742047]

約数ペア:

[(1, 21000742047), (3, 7000247349), (9, 2333415783), (19, 1105302213), (27, 777805261), (57, 368434071), (171, 122811357), (433, 48500559), (513, 40937119), (1299, 16166853), (3897, 5388951), (8227, 2552661), (11691, 1796317), (24681, 850887), (74043, 283629), (94543, 222129)]