21711088

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 48434400

約数和(自身を除く): 26723312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 1301, 2086, 2384, 2602, 4172, 5204, 8344, 9107, 10408, 16688, 18214, 20816, 36428, 72856, 145712, 193849, 387698, 775396, 1356943, 1550792, 2713886, 3101584, 5427772, 10855544, 21711088]

約数ペア:

[(1, 21711088), (2, 10855544), (4, 5427772), (7, 3101584), (8, 2713886), (14, 1550792), (16, 1356943), (28, 775396), (56, 387698), (112, 193849), (149, 145712), (298, 72856), (596, 36428), (1043, 20816), (1192, 18214), (1301, 16688), (2086, 10408), (2384, 9107), (2602, 8344), (4172, 5204)]