21375902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14621}}^1$

素因数の和:14683

約数の個数: 16

約数和(自身を含む): 34741872

約数和(自身を除く): 13365970

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14621, 29242, 248557, 497114, 628703, 1257406, 10687951, 21375902]

約数ペア:

[(1, 21375902), (2, 10687951), (17, 1257406), (34, 628703), (43, 497114), (86, 248557), (731, 29242), (1462, 14621)]