21351122

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 34971300

約数和(自身を除く): 13620178

約数列:

[1, 2, 13, 26, 169, 181, 338, 349, 362, 698, 2353, 4537, 4706, 9074, 30589, 58981, 61178, 63169, 117962, 126338, 821197, 1642394, 10675561, 21351122]

約数ペア:

[(1, 21351122), (2, 10675561), (13, 1642394), (26, 821197), (169, 126338), (181, 117962), (338, 63169), (349, 61178), (362, 58981), (698, 30589), (2353, 9074), (4537, 4706)]