21222495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 42569280

約数和(自身を除く): 21346785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 757, 801, 1335, 1869, 2271, 3115, 3785, 4005, 5299, 5607, 6813, 9345, 11355, 15897, 26495, 28035, 34065, 47691, 67373, 79485, 202119, 238455, 336865, 471611, 606357, 1010595, 1414833, 2358055, 3031785, 4244499, 7074165, 21222495]

約数ペア:

[(1, 21222495), (3, 7074165), (5, 4244499), (7, 3031785), (9, 2358055), (15, 1414833), (21, 1010595), (35, 606357), (45, 471611), (63, 336865), (89, 238455), (105, 202119), (267, 79485), (315, 67373), (445, 47691), (623, 34065), (757, 28035), (801, 26495), (1335, 15897), (1869, 11355), (2271, 9345), (3115, 6813), (3785, 5607), (4005, 5299)]