2021036017

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{2017}}^1$

素因数の和:2079

約数の個数: 54

約数和(自身を含む): 2799617814

約数和(自身を除く): 778581797

約数列:

[1, 7, 11, 13, 49, 77, 91, 121, 143, 169, 539, 637, 847, 1001, 1183, 1573, 1859, 2017, 5929, 7007, 8281, 11011, 13013, 14119, 20449, 22187, 26221, 77077, 91091, 98833, 143143, 155309, 183547, 244057, 288431, 340873, 1002001, 1087163, 1284829, 1708399, 2019017, 2386111, 3172741, 3749603, 11958793, 14133119, 16702777, 22209187, 26247221, 41245633, 155464309, 183730547, 288719431, 2021036017]

約数ペア:

[(1, 2021036017), (7, 288719431), (11, 183730547), (13, 155464309), (49, 41245633), (77, 26247221), (91, 22209187), (121, 16702777), (143, 14133119), (169, 11958793), (539, 3749603), (637, 3172741), (847, 2386111), (1001, 2019017), (1183, 1708399), (1573, 1284829), (1859, 1087163), (2017, 1002001), (5929, 340873), (7007, 288431), (8281, 244057), (11011, 183547), (13013, 155309), (14119, 143143), (20449, 98833), (22187, 91091), (26221, 77077)]