2149804810

素因数分解:

$2^1\times 5^1\times {\mathrm{20071}}^1\times {\mathrm{10711}}^1$

素因数の和:30789

約数の個数: 16

約数和(自身を含む): 3870202752

約数和(自身を除く): 1720397942

約数列:

[1, 2, 5, 10, 10711, 20071, 21422, 40142, 53555, 100355, 107110, 200710, 214980481, 429960962, 1074902405, 2149804810]

約数ペア:

[(1, 2149804810), (2, 1074902405), (5, 429960962), (10, 214980481), (10711, 200710), (20071, 107110), (21422, 100355), (40142, 53555)]