21057156

素因数分解:

$2^2\times 3^2\times {\mathrm{353}}^1\times {\mathrm{1657}}^1$

素因数の和:2020

約数の個数: 36

約数和(自身を含む): 53410812

約数和(自身を除く): 32353656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353, 706, 1059, 1412, 1657, 2118, 3177, 3314, 4236, 4971, 6354, 6628, 9942, 12708, 14913, 19884, 29826, 59652, 584921, 1169842, 1754763, 2339684, 3509526, 5264289, 7019052, 10528578, 21057156]

約数ペア:

[(1, 21057156), (2, 10528578), (3, 7019052), (4, 5264289), (6, 3509526), (9, 2339684), (12, 1754763), (18, 1169842), (36, 584921), (353, 59652), (706, 29826), (1059, 19884), (1412, 14913), (1657, 12708), (2118, 9942), (3177, 6628), (3314, 6354), (4236, 4971)]