21000529214

素因数分解:

$2^1\times 7^1\times {\mathrm{15439}}^1\times {\mathrm{97159}}^1$

素因数の和:112607

約数の個数: 16

約数和(自身を含む): 36003609600

約数和(自身を除く): 15003080386

約数列:

[1, 2, 7, 14, 15439, 30878, 97159, 108073, 194318, 216146, 680113, 1360226, 1500037801, 3000075602, 10500264607, 21000529214]

約数ペア:

[(1, 21000529214), (2, 10500264607), (7, 3000075602), (14, 1500037801), (15439, 1360226), (30878, 680113), (97159, 216146), (108073, 194318)]