21760396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40903}}^1$

素因数の和:40933

約数の個数: 24

約数和(自身を含む): 45812480

約数和(自身を除く): 24052084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40903, 81806, 163612, 286321, 572642, 777157, 1145284, 1554314, 3108628, 5440099, 10880198, 21760396]

約数ペア:

[(1, 21760396), (2, 10880198), (4, 5440099), (7, 3108628), (14, 1554314), (19, 1145284), (28, 777157), (38, 572642), (76, 286321), (133, 163612), (266, 81806), (532, 40903)]