21615334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5981}}^1$

素因数の和:6135

約数の個数: 16

約数和(自身を含む): 35174160

約数和(自身を除く): 13558826

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5981, 11962, 77753, 155506, 831359, 1662718, 10807667, 21615334]

約数ペア:

[(1, 21615334), (2, 10807667), (13, 1662718), (26, 831359), (139, 155506), (278, 77753), (1807, 11962), (3614, 5981)]