21000339367

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{10069}}^1\times {\mathrm{4447}}^1$

素因数の和:14590

約数の個数: 16

約数和(自身を含む): 24366499840

約数和(自身を除く): 3366160473

約数列:

[1, 7, 67, 469, 4447, 10069, 31129, 70483, 297949, 674623, 2085643, 4722361, 44776843, 313437901, 3000048481, 21000339367]

約数ペア:

[(1, 21000339367), (7, 3000048481), (67, 313437901), (469, 44776843), (4447, 4722361), (10069, 2085643), (31129, 674623), (70483, 297949)]