21422085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 36937728

約数和(自身を除く): 15515643

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2003, 2139, 3565, 6009, 10015, 10695, 30045, 46069, 62093, 138207, 186279, 230345, 310465, 691035, 931395, 1428139, 4284417, 7140695, 21422085]

約数ペア:

[(1, 21422085), (3, 7140695), (5, 4284417), (15, 1428139), (23, 931395), (31, 691035), (69, 310465), (93, 230345), (115, 186279), (155, 138207), (345, 62093), (465, 46069), (713, 30045), (2003, 10695), (2139, 10015), (3565, 6009)]