21055302

素因数分解:

$2^1\times 3^4\times {\mathrm{129971}}^1$

素因数の和:129985

約数の個数: 20

約数和(自身を含む): 47179836

約数和(自身を除く): 26124534

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129971, 259942, 389913, 779826, 1169739, 2339478, 3509217, 7018434, 10527651, 21055302]

約数ペア:

[(1, 21055302), (2, 10527651), (3, 7018434), (6, 3509217), (9, 2339478), (18, 1169739), (27, 779826), (54, 389913), (81, 259942), (162, 129971)]