21000304819

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1\times {\mathrm{69067}}^1$

素因数の和:70330

約数の個数: 16

約数和(自身を含む): 23825697280

約数和(自身を除く): 2825392461

約数列:

[1, 13, 19, 247, 1231, 16003, 23389, 69067, 304057, 897871, 1312273, 17059549, 85021477, 1105279201, 1615408063, 21000304819]

約数ペア:

[(1, 21000304819), (13, 1615408063), (19, 1105279201), (247, 85021477), (1231, 17059549), (16003, 1312273), (23389, 897871), (69067, 304057)]