21708084

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4423}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 50787520

約数和(自身を除く): 29079436

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4423, 4908, 8846, 13269, 17692, 26538, 53076, 1809007, 3618014, 5427021, 7236028, 10854042, 21708084]

約数ペア:

[(1, 21708084), (2, 10854042), (3, 7236028), (4, 5427021), (6, 3618014), (12, 1809007), (409, 53076), (818, 26538), (1227, 17692), (1636, 13269), (2454, 8846), (4423, 4908)]