21704480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19379}}^1$

素因数の和:19401

約数の個数: 48

約数和(自身を含む): 58605120

約数和(自身を除く): 36900640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19379, 38758, 77516, 96895, 135653, 155032, 193790, 271306, 310064, 387580, 542612, 620128, 678265, 775160, 1085224, 1356530, 1550320, 2170448, 2713060, 3100640, 4340896, 5426120, 10852240, 21704480]

約数ペア:

[(1, 21704480), (2, 10852240), (4, 5426120), (5, 4340896), (7, 3100640), (8, 2713060), (10, 2170448), (14, 1550320), (16, 1356530), (20, 1085224), (28, 775160), (32, 678265), (35, 620128), (40, 542612), (56, 387580), (70, 310064), (80, 271306), (112, 193790), (140, 155032), (160, 135653), (224, 96895), (280, 77516), (560, 38758), (1120, 19379)]