21743267

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:3998

約数の個数: 16

約数和(自身を含む): 27206592

約数和(自身を除く): 5463325

約数列:

[1, 7, 13, 61, 91, 427, 793, 3917, 5551, 27419, 50921, 238937, 356447, 1672559, 3106181, 21743267]

約数ペア:

[(1, 21743267), (7, 3106181), (13, 1672559), (61, 356447), (91, 238937), (427, 50921), (793, 27419), (3917, 5551)]