21504238

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11549}}^1$

素因数の和:11584

約数の個数: 24

約数和(自身を含む): 39501000

約数和(自身を除く): 17996762

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11549, 23098, 80843, 161686, 219431, 438862, 565901, 1131802, 1536017, 3072034, 10752119, 21504238]

約数ペア:

[(1, 21504238), (2, 10752119), (7, 3072034), (14, 1536017), (19, 1131802), (38, 565901), (49, 438862), (98, 219431), (133, 161686), (266, 80843), (931, 23098), (1862, 11549)]