21202888

素因数分解:

$2^3\times 7^3\times {\mathrm{7727}}^1$

素因数の和:7754

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 25165112

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7727, 15454, 30908, 54089, 61816, 108178, 216356, 378623, 432712, 757246, 1514492, 2650361, 3028984, 5300722, 10601444, 21202888]

約数ペア:

[(1, 21202888), (2, 10601444), (4, 5300722), (7, 3028984), (8, 2650361), (14, 1514492), (28, 757246), (49, 432712), (56, 378623), (98, 216356), (196, 108178), (343, 61816), (392, 54089), (686, 30908), (1372, 15454), (2744, 7727)]