21740104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 21488696

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 911, 1256, 1822, 2983, 3644, 5966, 7288, 11932, 17309, 23864, 34618, 69236, 138472, 143027, 286054, 572108, 1144216, 2717513, 5435026, 10870052, 21740104]

約数ペア:

[(1, 21740104), (2, 10870052), (4, 5435026), (8, 2717513), (19, 1144216), (38, 572108), (76, 286054), (152, 143027), (157, 138472), (314, 69236), (628, 34618), (911, 23864), (1256, 17309), (1822, 11932), (2983, 7288), (3644, 5966)]