21553518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30187}}^1$

素因数の和:30216

約数の個数: 32

約数和(自身を含む): 52164864

約数和(自身を除く): 30611346

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30187, 60374, 90561, 181122, 211309, 422618, 513179, 633927, 1026358, 1267854, 1539537, 3079074, 3592253, 7184506, 10776759, 21553518]

約数ペア:

[(1, 21553518), (2, 10776759), (3, 7184506), (6, 3592253), (7, 3079074), (14, 1539537), (17, 1267854), (21, 1026358), (34, 633927), (42, 513179), (51, 422618), (102, 211309), (119, 181122), (238, 90561), (357, 60374), (714, 30187)]