21735254

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 33145200

約数和(自身を除く): 11409946

約数列:

[1, 2, 109, 179, 218, 358, 557, 1114, 19511, 39022, 60713, 99703, 121426, 199406, 10867627, 21735254]

約数ペア:

[(1, 21735254), (2, 10867627), (109, 199406), (179, 121426), (218, 99703), (358, 60713), (557, 39022), (1114, 19511)]