21768026

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{7369}}^1$

素因数の和:7589

約数の個数: 16

約数和(自身を含む): 37498560

約数和(自身を除く): 15730534

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 7369, 14738, 51583, 103166, 1554859, 3109718, 10884013, 21768026]

約数ペア:

[(1, 21768026), (2, 10884013), (7, 3109718), (14, 1554859), (211, 103166), (422, 51583), (1477, 14738), (2954, 7369)]