2021063681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419047}}^1$

素因数の和:419120

約数の個数: 16

約数和(自身を含む): 2534402304

約数和(自身を除く): 513338623

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 419047, 2933329, 5447611, 22209491, 38133277, 155466437, 288723383, 2021063681]

約数ペア:

[(1, 2021063681), (7, 288723383), (13, 155466437), (53, 38133277), (91, 22209491), (371, 5447611), (689, 2933329), (4823, 419047)]