21750871690

素因数分解:

$2^1\times 5^1\times {\mathrm{7417}}^1\times {\mathrm{293257}}^1$

素因数の和:300681

約数の個数: 16

約数和(自身を含む): 39156981192

約数和(自身を除く): 17406109502

約数列:

[1, 2, 5, 10, 7417, 14834, 37085, 74170, 293257, 586514, 1466285, 2932570, 2175087169, 4350174338, 10875435845, 21750871690]

約数ペア:

[(1, 21750871690), (2, 10875435845), (5, 4350174338), (10, 2175087169), (7417, 2932570), (14834, 1466285), (37085, 586514), (74170, 293257)]