21898868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6701}}^1$

素因数の和:6767

約数の個数: 24

約数和(自身を含む): 41284320

約数和(自身を除く): 19385452

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6701, 13402, 26804, 127319, 254638, 288143, 509276, 576286, 1152572, 5474717, 10949434, 21898868]

約数ペア:

[(1, 21898868), (2, 10949434), (4, 5474717), (19, 1152572), (38, 576286), (43, 509276), (76, 288143), (86, 254638), (172, 127319), (817, 26804), (1634, 13402), (3268, 6701)]