21019222

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25447}}^1$

素因数の和:25515

約数の個数: 16

約数和(自身を含む): 36645120

約数和(自身を除く): 15625898

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 25447, 50894, 178129, 356258, 1501373, 3002746, 10509611, 21019222]

約数ペア:

[(1, 21019222), (2, 10509611), (7, 3002746), (14, 1501373), (59, 356258), (118, 178129), (413, 50894), (826, 25447)]