21260017

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 1803023

約数列:

[1, 31, 41, 43, 389, 1271, 1333, 1763, 12059, 15949, 16727, 54653, 494419, 518537, 685807, 21260017]

約数ペア:

[(1, 21260017), (31, 685807), (41, 518537), (43, 494419), (389, 54653), (1271, 16727), (1333, 15949), (1763, 12059)]