21064198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3671}}^1$

素因数の和:3843

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12424442

約数列:

[1, 2, 19, 38, 151, 302, 2869, 3671, 5738, 7342, 69749, 139498, 554321, 1108642, 10532099, 21064198]

約数ペア:

[(1, 21064198), (2, 10532099), (19, 1108642), (38, 554321), (151, 139498), (302, 69749), (2869, 7342), (3671, 5738)]