21168156728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3763897}}^1$

素因数の和:3763959

約数の個数: 32

約数和(自身を含む): 42908437200

約数和(自身を除く): 21740280472

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 3763897, 7527794, 15055588, 30111176, 71514043, 139264189, 143028086, 278528378, 286056172, 557056756, 572112344, 1114113512, 2646019591, 5292039182, 10584078364, 21168156728]

約数ペア:

[(1, 21168156728), (2, 10584078364), (4, 5292039182), (8, 2646019591), (19, 1114113512), (37, 572112344), (38, 557056756), (74, 286056172), (76, 278528378), (148, 143028086), (152, 139264189), (296, 71514043), (703, 30111176), (1406, 15055588), (2812, 7527794), (5624, 3763897)]