21000448

素因数分解:

$2^8\times 7^1\times {\mathrm{11719}}^1$

素因数の和:11742

約数の個数: 36

約数和(自身を含む): 47911360

約数和(自身を除く): 26910912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11719, 23438, 46876, 82033, 93752, 164066, 187504, 328132, 375008, 656264, 750016, 1312528, 1500032, 2625056, 3000064, 5250112, 10500224, 21000448]

約数ペア:

[(1, 21000448), (2, 10500224), (4, 5250112), (7, 3000064), (8, 2625056), (14, 1500032), (16, 1312528), (28, 750016), (32, 656264), (56, 375008), (64, 328132), (112, 187504), (128, 164066), (224, 93752), (256, 82033), (448, 46876), (896, 23438), (1792, 11719)]