21295951

素因数分解:

${\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23207040

約数和(自身を除く): 1911089

約数列:

[1, 17, 79, 101, 157, 1343, 1717, 2669, 7979, 12403, 15857, 135643, 210851, 269569, 1252703, 21295951]

約数ペア:

[(1, 21295951), (17, 1252703), (79, 269569), (101, 210851), (157, 135643), (1343, 15857), (1717, 12403), (2669, 7979)]