21850678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4691}}^1$

素因数の和:4847

約数の個数: 16

約数和(自身を含む): 34964784

約数和(自身を除く): 13114106

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 4691, 9382, 79747, 159494, 642667, 1285334, 10925339, 21850678]

約数ペア:

[(1, 21850678), (2, 10925339), (17, 1285334), (34, 642667), (137, 159494), (274, 79747), (2329, 9382), (4658, 4691)]