21899043

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3491}}^1$

素因数の和:3555

約数の個数: 24

約数和(自身を含む): 34319376

約数和(自身を除く): 12420333

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3491, 6273, 10473, 31419, 59347, 143131, 178041, 429393, 534123, 1288179, 2433227, 7299681, 21899043]

約数ペア:

[(1, 21899043), (3, 7299681), (9, 2433227), (17, 1288179), (41, 534123), (51, 429393), (123, 178041), (153, 143131), (369, 59347), (697, 31419), (2091, 10473), (3491, 6273)]