21533792

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 27237280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 383, 502, 766, 1004, 1532, 1757, 2008, 2681, 3064, 3514, 4016, 5362, 6128, 7028, 8032, 10724, 12256, 14056, 21448, 28112, 42896, 56224, 85792, 96133, 192266, 384532, 672931, 769064, 1345862, 1538128, 2691724, 3076256, 5383448, 10766896, 21533792]

約数ペア:

[(1, 21533792), (2, 10766896), (4, 5383448), (7, 3076256), (8, 2691724), (14, 1538128), (16, 1345862), (28, 769064), (32, 672931), (56, 384532), (112, 192266), (224, 96133), (251, 85792), (383, 56224), (502, 42896), (766, 28112), (1004, 21448), (1532, 14056), (1757, 12256), (2008, 10724), (2681, 8032), (3064, 7028), (3514, 6128), (4016, 5362)]