21648068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21947

約数の個数: 24

約数和(自身を含む): 42947520

約数和(自身を除く): 21299452

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21911, 43822, 87644, 284843, 416309, 569686, 832618, 1139372, 1665236, 5412017, 10824034, 21648068]

約数ペア:

[(1, 21648068), (2, 10824034), (4, 5412017), (13, 1665236), (19, 1139372), (26, 832618), (38, 569686), (52, 416309), (76, 284843), (247, 87644), (494, 43822), (988, 21911)]