21887593

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4024

約数の個数: 16

約数和(自身を含む): 27387136

約数和(自身を除く): 5499543

約数列:

[1, 7, 13, 61, 91, 427, 793, 3943, 5551, 27601, 51259, 240523, 358813, 1683661, 3126799, 21887593]

約数ペア:

[(1, 21887593), (7, 3126799), (13, 1683661), (61, 358813), (91, 240523), (427, 51259), (793, 27601), (3943, 5551)]