21916806

素因数分解:

$2^1\times 3^1\times {\mathrm{457}}^1\times {\mathrm{7993}}^1$

素因数の和:8455

約数の個数: 16

約数和(自身を含む): 43935024

約数和(自身を除く): 22018218

約数列:

[1, 2, 3, 6, 457, 914, 1371, 2742, 7993, 15986, 23979, 47958, 3652801, 7305602, 10958403, 21916806]

約数ペア:

[(1, 21916806), (2, 10958403), (3, 7305602), (6, 3652801), (457, 47958), (914, 23979), (1371, 15986), (2742, 7993)]