21099304

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{26113}}^1$

素因数の和:26220

約数の個数: 16

約数和(自身を含む): 39954420

約数和(自身を除く): 18855116

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 26113, 52226, 104452, 208904, 2637413, 5274826, 10549652, 21099304]

約数ペア:

[(1, 21099304), (2, 10549652), (4, 5274826), (8, 2637413), (101, 208904), (202, 104452), (404, 52226), (808, 26113)]