21219310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1301}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 43872192

約数和(自身を除く): 22652882

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1165, 1301, 1631, 2330, 2602, 3262, 6505, 8155, 9107, 13010, 16310, 18214, 45535, 91070, 303133, 606266, 1515665, 2121931, 3031330, 4243862, 10609655, 21219310]

約数ペア:

[(1, 21219310), (2, 10609655), (5, 4243862), (7, 3031330), (10, 2121931), (14, 1515665), (35, 606266), (70, 303133), (233, 91070), (466, 45535), (1165, 18214), (1301, 16310), (1631, 13010), (2330, 9107), (2602, 8155), (3262, 6505)]