21132746820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{5743}}^1\times {\mathrm{20443}}^1$

素因数の和:26201

約数の個数: 72

約数和(自身を含む): 64116963456

約数和(自身を除く): 42984216636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 5743, 11486, 17229, 20443, 22972, 28715, 34458, 40886, 51687, 57430, 61329, 68916, 81772, 86145, 102215, 103374, 114860, 122658, 172290, 183987, 204430, 206748, 245316, 258435, 306645, 344580, 367974, 408860, 516870, 613290, 735948, 919935, 1033740, 1226580, 1839870, 3679740, 117404149, 234808298, 352212447, 469616596, 587020745, 704424894, 1056637341, 1174041490, 1408849788, 1761062235, 2113274682, 2348082980, 3522124470, 4226549364, 5283186705, 7044248940, 10566373410, 21132746820]

約数ペア:

[(1, 21132746820), (2, 10566373410), (3, 7044248940), (4, 5283186705), (5, 4226549364), (6, 3522124470), (9, 2348082980), (10, 2113274682), (12, 1761062235), (15, 1408849788), (18, 1174041490), (20, 1056637341), (30, 704424894), (36, 587020745), (45, 469616596), (60, 352212447), (90, 234808298), (180, 117404149), (5743, 3679740), (11486, 1839870), (17229, 1226580), (20443, 1033740), (22972, 919935), (28715, 735948), (34458, 613290), (40886, 516870), (51687, 408860), (57430, 367974), (61329, 344580), (68916, 306645), (81772, 258435), (86145, 245316), (102215, 206748), (103374, 204430), (114860, 183987), (122658, 172290)]