21502217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2297}}^1$

素因数の和:2368

約数の個数: 16

約数和(自身を含む): 25149312

約数和(自身を除く): 3647095

約数列:

[1, 11, 23, 37, 253, 407, 851, 2297, 9361, 25267, 52831, 84989, 581141, 934879, 1954747, 21502217]

約数ペア:

[(1, 21502217), (11, 1954747), (23, 934879), (37, 581141), (253, 84989), (407, 52831), (851, 25267), (2297, 9361)]