21349736

素因数分解:

$2^3\times {\mathrm{787}}^1\times {\mathrm{3391}}^1$

素因数の和:4184

約数の個数: 16

約数和(自身を含む): 40093440

約数和(自身を除く): 18743704

約数列:

[1, 2, 4, 8, 787, 1574, 3148, 3391, 6296, 6782, 13564, 27128, 2668717, 5337434, 10674868, 21349736]

約数ペア:

[(1, 21349736), (2, 10674868), (4, 5337434), (8, 2668717), (787, 27128), (1574, 13564), (3148, 6782), (3391, 6296)]