21000591364

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{563}}^1\times {\mathrm{61757}}^1$

素因数の和:62475

約数の個数: 24

約数和(自身を含む): 37060728768

約数和(自身を除く): 16060137404

約数列:

[1, 2, 4, 151, 302, 563, 604, 1126, 2252, 61757, 85013, 123514, 170026, 247028, 340052, 9325307, 18650614, 34769191, 37301228, 69538382, 139076764, 5250147841, 10500295682, 21000591364]

約数ペア:

[(1, 21000591364), (2, 10500295682), (4, 5250147841), (151, 139076764), (302, 69538382), (563, 37301228), (604, 34769191), (1126, 18650614), (2252, 9325307), (61757, 340052), (85013, 247028), (123514, 170026)]