21294826

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 39045888

約数和(自身を除く): 17751062

約数列:

[1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 574, 943, 1613, 1886, 3226, 6601, 11291, 13202, 22582, 37099, 66133, 74198, 132266, 259693, 462931, 519386, 925862, 1521059, 3042118, 10647413, 21294826]

約数ペア:

[(1, 21294826), (2, 10647413), (7, 3042118), (14, 1521059), (23, 925862), (41, 519386), (46, 462931), (82, 259693), (161, 132266), (287, 74198), (322, 66133), (574, 37099), (943, 22582), (1613, 13202), (1886, 11291), (3226, 6601)]