21163938

素因数分解:

$2^1\times 3^1\times {\mathrm{907}}^1\times {\mathrm{3889}}^1$

素因数の和:4801

約数の個数: 16

約数和(自身を含む): 42385440

約数和(自身を除く): 21221502

約数列:

[1, 2, 3, 6, 907, 1814, 2721, 3889, 5442, 7778, 11667, 23334, 3527323, 7054646, 10581969, 21163938]

約数ペア:

[(1, 21163938), (2, 10581969), (3, 7054646), (6, 3527323), (907, 23334), (1814, 11667), (2721, 7778), (3889, 5442)]