21161874

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{23671}}^1$

素因数の和:23825

約数の個数: 16

約数和(自身を含む): 42609600

約数和(自身を除く): 21447726

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 23671, 47342, 71013, 142026, 3526979, 7053958, 10580937, 21161874]

約数ペア:

[(1, 21161874), (2, 10580937), (3, 7053958), (6, 3526979), (149, 142026), (298, 71013), (447, 47342), (894, 23671)]