21290893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2364

約数の個数: 16

約数和(自身を含む): 24708096

約数和(自身を除く): 3417203

約数列:

[1, 13, 23, 31, 299, 403, 713, 2297, 9269, 29861, 52831, 71207, 686803, 925691, 1637761, 21290893]

約数ペア:

[(1, 21290893), (13, 1637761), (23, 925691), (31, 686803), (299, 71207), (403, 52831), (713, 29861), (2297, 9269)]