21103929

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10151}}^1$

素因数の和:10178

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17879751

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10151, 30453, 71057, 91359, 111661, 213171, 274077, 334983, 639513, 781627, 1004949, 1918539, 2344881, 3014847, 7034643, 21103929]

約数ペア:

[(1, 21103929), (3, 7034643), (7, 3014847), (9, 2344881), (11, 1918539), (21, 1004949), (27, 781627), (33, 639513), (63, 334983), (77, 274077), (99, 213171), (189, 111661), (231, 91359), (297, 71057), (693, 30453), (2079, 10151)]