21000895527

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1\times {\mathrm{53887}}^1$

素因数の和:57438

約数の個数: 16

約数和(自身を含む): 28766707712

約数和(自身を除く): 7765812185

約数列:

[1, 3, 37, 111, 3511, 10533, 53887, 129907, 161661, 389721, 1993819, 5981457, 189197257, 567591771, 7000298509, 21000895527]

約数ペア:

[(1, 21000895527), (3, 7000298509), (37, 567591771), (111, 189197257), (3511, 5981457), (10533, 1993819), (53887, 389721), (129907, 161661)]