21444610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 42446592

約数和(自身を除く): 21001982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1423, 1507, 2846, 3014, 7115, 7535, 14230, 15070, 15653, 31306, 78265, 156530, 194951, 389902, 974755, 1949510, 2144461, 4288922, 10722305, 21444610]

約数ペア:

[(1, 21444610), (2, 10722305), (5, 4288922), (10, 2144461), (11, 1949510), (22, 974755), (55, 389902), (110, 194951), (137, 156530), (274, 78265), (685, 31306), (1370, 15653), (1423, 15070), (1507, 14230), (2846, 7535), (3014, 7115)]