2021922819

素因数分解:

$3^2\times 7^2\times {\mathrm{4584859}}^1$

素因数の和:4584879

約数の個数: 18

約数和(自身を含む): 3397381260

約数和(自身を除く): 1375458441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4584859, 13754577, 32094013, 41263731, 96282039, 224658091, 288846117, 673974273, 2021922819]

約数ペア:

[(1, 2021922819), (3, 673974273), (7, 288846117), (9, 224658091), (21, 96282039), (49, 41263731), (63, 32094013), (147, 13754577), (441, 4584859)]