21664542

素因数分解:

$2^1\times 3^1\times {\mathrm{457}}^1\times {\mathrm{7901}}^1$

素因数の和:8363

約数の個数: 16

約数和(自身を含む): 43429392

約数和(自身を除く): 21764850

約数列:

[1, 2, 3, 6, 457, 914, 1371, 2742, 7901, 15802, 23703, 47406, 3610757, 7221514, 10832271, 21664542]

約数ペア:

[(1, 21664542), (2, 10832271), (3, 7221514), (6, 3610757), (457, 47406), (914, 23703), (1371, 15802), (2742, 7901)]