21690606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1787}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 52695936

約数和(自身を除く): 31005330

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 714, 867, 1734, 1787, 2023, 3574, 4046, 5361, 6069, 10722, 12138, 12509, 25018, 30379, 37527, 60758, 75054, 91137, 182274, 212653, 425306, 516443, 637959, 1032886, 1275918, 1549329, 3098658, 3615101, 7230202, 10845303, 21690606]

約数ペア:

[(1, 21690606), (2, 10845303), (3, 7230202), (6, 3615101), (7, 3098658), (14, 1549329), (17, 1275918), (21, 1032886), (34, 637959), (42, 516443), (51, 425306), (102, 212653), (119, 182274), (238, 91137), (289, 75054), (357, 60758), (578, 37527), (714, 30379), (867, 25018), (1734, 12509), (1787, 12138), (2023, 10722), (3574, 6069), (4046, 5361)]