21155453404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{313}}^1\times {\mathrm{46807}}^1$

素因数の和:47162

約数の個数: 36

約数和(自身を含む): 39198797904

約数和(自身を除く): 18043344500

約数列:

[1, 2, 4, 19, 38, 76, 313, 361, 626, 722, 1252, 1444, 5947, 11894, 23788, 46807, 93614, 112993, 187228, 225986, 451972, 889333, 1778666, 3557332, 14650591, 16897327, 29301182, 33794654, 58602364, 67589308, 278361229, 556722458, 1113444916, 5288863351, 10577726702, 21155453404]

約数ペア:

[(1, 21155453404), (2, 10577726702), (4, 5288863351), (19, 1113444916), (38, 556722458), (76, 278361229), (313, 67589308), (361, 58602364), (626, 33794654), (722, 29301182), (1252, 16897327), (1444, 14650591), (5947, 3557332), (11894, 1778666), (23788, 889333), (46807, 451972), (93614, 225986), (112993, 187228)]