21000966544

素因数分解:

$2^4\times {\mathrm{24473}}^1\times {\mathrm{53633}}^1$

素因数の和:78114

約数の個数: 20

約数和(自身を含む): 40691793996

約数和(自身を除く): 19690827452

約数列:

[1, 2, 4, 8, 16, 24473, 48946, 53633, 97892, 107266, 195784, 214532, 391568, 429064, 858128, 1312560409, 2625120818, 5250241636, 10500483272, 21000966544]

約数ペア:

[(1, 21000966544), (2, 10500483272), (4, 5250241636), (8, 2625120818), (16, 1312560409), (24473, 858128), (48946, 429064), (53633, 391568), (97892, 214532), (107266, 195784)]