21787230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1051}}^1$

素因数の和:1752

約数の個数: 32

約数和(自身を含む): 52414848

約数和(自身を除く): 30627618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691, 1051, 1382, 2073, 2102, 3153, 3455, 4146, 5255, 6306, 6910, 10365, 10510, 15765, 20730, 31530, 726241, 1452482, 2178723, 3631205, 4357446, 7262410, 10893615, 21787230]

約数ペア:

[(1, 21787230), (2, 10893615), (3, 7262410), (5, 4357446), (6, 3631205), (10, 2178723), (15, 1452482), (30, 726241), (691, 31530), (1051, 20730), (1382, 15765), (2073, 10510), (2102, 10365), (3153, 6910), (3455, 6306), (4146, 5255)]