21002066

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2437}}^1$

素因数の和:2609

約数の個数: 16

約数和(自身を含む): 32766720

約数和(自身を除く): 11764654

約数列:

[1, 2, 31, 62, 139, 278, 2437, 4309, 4874, 8618, 75547, 151094, 338743, 677486, 10501033, 21002066]

約数ペア:

[(1, 21002066), (2, 10501033), (31, 677486), (62, 338743), (139, 151094), (278, 75547), (2437, 8618), (4309, 4874)]