21252012

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 51740640

約数和(自身を除く): 30488628

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 173, 174, 346, 348, 353, 519, 692, 706, 1038, 1059, 1412, 2076, 2118, 4236, 5017, 10034, 10237, 15051, 20068, 20474, 30102, 30711, 40948, 60204, 61069, 61422, 122138, 122844, 183207, 244276, 366414, 732828, 1771001, 3542002, 5313003, 7084004, 10626006, 21252012]

約数ペア:

[(1, 21252012), (2, 10626006), (3, 7084004), (4, 5313003), (6, 3542002), (12, 1771001), (29, 732828), (58, 366414), (87, 244276), (116, 183207), (173, 122844), (174, 122138), (346, 61422), (348, 61069), (353, 60204), (519, 40948), (692, 30711), (706, 30102), (1038, 20474), (1059, 20068), (1412, 15051), (2076, 10237), (2118, 10034), (4236, 5017)]