21084040904

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29612417}}^1$

素因数の和:29612512

約数の個数: 16

約数和(自身を含む): 39976764300

約数和(自身を除く): 18892723396

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29612417, 59224834, 118449668, 236899336, 2635505113, 5271010226, 10542020452, 21084040904]

約数ペア:

[(1, 21084040904), (2, 10542020452), (4, 5271010226), (8, 2635505113), (89, 236899336), (178, 118449668), (356, 59224834), (712, 29612417)]