21142589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 24536064

約数和(自身を除く): 3393475

約数列:

[1, 13, 23, 31, 299, 403, 713, 2281, 9269, 29653, 52463, 70711, 682019, 919243, 1626353, 21142589]

約数ペア:

[(1, 21142589), (13, 1626353), (23, 919243), (31, 682019), (299, 70711), (403, 52463), (713, 29653), (2281, 9269)]