21679862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 24

約数和(自身を含む): 35249256

約数和(自身を除く): 13569394

約数列:

[1, 2, 17, 34, 53, 106, 227, 454, 901, 1802, 2809, 3859, 5618, 7718, 12031, 24062, 47753, 95506, 204527, 409054, 637643, 1275286, 10839931, 21679862]

約数ペア:

[(1, 21679862), (2, 10839931), (17, 1275286), (34, 637643), (53, 409054), (106, 204527), (227, 95506), (454, 47753), (901, 24062), (1802, 12031), (2809, 7718), (3859, 5618)]