21358088

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{4231}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 40119360

約数和(自身を除く): 18761272

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 4231, 5048, 8462, 16924, 33848, 2669761, 5339522, 10679044, 21358088]

約数ペア:

[(1, 21358088), (2, 10679044), (4, 5339522), (8, 2669761), (631, 33848), (1262, 16924), (2524, 8462), (4231, 5048)]