21435701

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 25724928

約数和(自身を除く): 4289227

約数列:

[1, 7, 23, 161, 211, 631, 1477, 4417, 4853, 14513, 33971, 101591, 133141, 931987, 3062243, 21435701]

約数ペア:

[(1, 21435701), (7, 3062243), (23, 931987), (161, 133141), (211, 101591), (631, 33971), (1477, 14513), (4417, 4853)]