21760528

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 43711488

約数和(自身を除く): 21950960

約数列:

[1, 2, 4, 8, 16, 53, 67, 106, 134, 212, 268, 383, 424, 536, 766, 848, 1072, 1532, 3064, 3551, 6128, 7102, 14204, 20299, 25661, 28408, 40598, 51322, 56816, 81196, 102644, 162392, 205288, 324784, 410576, 1360033, 2720066, 5440132, 10880264, 21760528]

約数ペア:

[(1, 21760528), (2, 10880264), (4, 5440132), (8, 2720066), (16, 1360033), (53, 410576), (67, 324784), (106, 205288), (134, 162392), (212, 102644), (268, 81196), (383, 56816), (424, 51322), (536, 40598), (766, 28408), (848, 25661), (1072, 20299), (1532, 14204), (3064, 7102), (3551, 6128)]