21700042

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17033}}^1$

素因数の和:17062

約数の個数: 24

約数和(自身を含む): 40779396

約数和(自身を除く): 19079354

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17033, 34066, 119231, 221429, 238462, 442858, 834617, 1550003, 1669234, 3100006, 10850021, 21700042]

約数ペア:

[(1, 21700042), (2, 10850021), (7, 3100006), (13, 1669234), (14, 1550003), (26, 834617), (49, 442858), (91, 238462), (98, 221429), (182, 119231), (637, 34066), (1274, 17033)]