21130145738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{81343}}^1$

素因数の和:81558

約数の個数: 32

約数和(自身を含む): 34820438016

約数和(自身を除く): 13690292278

約数列:

[1, 2, 13, 26, 97, 103, 194, 206, 1261, 1339, 2522, 2678, 9991, 19982, 81343, 129883, 162686, 259766, 1057459, 2114918, 7890271, 8378329, 15780542, 16756658, 102573523, 108918277, 205147046, 217836554, 812697913, 1625395826, 10565072869, 21130145738]

約数ペア:

[(1, 21130145738), (2, 10565072869), (13, 1625395826), (26, 812697913), (97, 217836554), (103, 205147046), (194, 108918277), (206, 102573523), (1261, 16756658), (1339, 15780542), (2522, 8378329), (2678, 7890271), (9991, 2114918), (19982, 1057459), (81343, 259766), (129883, 162686)]