21127788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53353}}^1$

素因数の和:53374

約数の個数: 36

約数和(自身を含む): 58262568

約数和(自身を除く): 37134780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53353, 106706, 160059, 213412, 320118, 480177, 586883, 640236, 960354, 1173766, 1760649, 1920708, 2347532, 3521298, 5281947, 7042596, 10563894, 21127788]

約数ペア:

[(1, 21127788), (2, 10563894), (3, 7042596), (4, 5281947), (6, 3521298), (9, 2347532), (11, 1920708), (12, 1760649), (18, 1173766), (22, 960354), (33, 640236), (36, 586883), (44, 480177), (66, 320118), (99, 213412), (132, 160059), (198, 106706), (396, 53353)]