21728050644

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{12841}}^1$

素因数の和:13025

約数の個数: 72

約数和(自身を含む): 52616036928

約数和(自身を除く): 30887986284

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 103, 111, 148, 206, 222, 309, 412, 444, 618, 1236, 1369, 2738, 3811, 4107, 5476, 7622, 8214, 11433, 12841, 15244, 16428, 22866, 25682, 38523, 45732, 51364, 77046, 141007, 154092, 282014, 423021, 475117, 564028, 846042, 950234, 1322623, 1425351, 1692084, 1900468, 2645246, 2850702, 3967869, 5290492, 5701404, 7935738, 15871476, 17579329, 35158658, 48937051, 52737987, 70317316, 97874102, 105475974, 146811153, 195748204, 210951948, 293622306, 587244612, 1810670887, 3621341774, 5432012661, 7242683548, 10864025322, 21728050644]

約数ペア:

[(1, 21728050644), (2, 10864025322), (3, 7242683548), (4, 5432012661), (6, 3621341774), (12, 1810670887), (37, 587244612), (74, 293622306), (103, 210951948), (111, 195748204), (148, 146811153), (206, 105475974), (222, 97874102), (309, 70317316), (412, 52737987), (444, 48937051), (618, 35158658), (1236, 17579329), (1369, 15871476), (2738, 7935738), (3811, 5701404), (4107, 5290492), (5476, 3967869), (7622, 2850702), (8214, 2645246), (11433, 1900468), (12841, 1692084), (15244, 1425351), (16428, 1322623), (22866, 950234), (25682, 846042), (38523, 564028), (45732, 475117), (51364, 423021), (77046, 282014), (141007, 154092)]