21540570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15277}}^1$

素因数の和:15334

約数の個数: 32

約数和(自身を含む): 52800768

約数和(自身を除く): 31260198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15277, 30554, 45831, 76385, 91662, 152770, 229155, 458310, 718019, 1436038, 2154057, 3590095, 4308114, 7180190, 10770285, 21540570]

約数ペア:

[(1, 21540570), (2, 10770285), (3, 7180190), (5, 4308114), (6, 3590095), (10, 2154057), (15, 1436038), (30, 718019), (47, 458310), (94, 229155), (141, 152770), (235, 91662), (282, 76385), (470, 45831), (705, 30554), (1410, 15277)]