21742201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 25014528

約数和(自身を除く): 3272327

約数列:

[1, 13, 17, 131, 221, 751, 1703, 2227, 9763, 12767, 28951, 98381, 165971, 1278953, 1672477, 21742201]

約数ペア:

[(1, 21742201), (13, 1672477), (17, 1278953), (131, 165971), (221, 98381), (751, 28951), (1703, 12767), (2227, 9763)]