2021073880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7218121}}^1$

素因数の和:7218139

約数の個数: 32

約数和(自身を含む): 5197047840

約数和(自身を除く): 3175973960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7218121, 14436242, 28872484, 36090605, 50526847, 57744968, 72181210, 101053694, 144362420, 202107388, 252634235, 288724840, 404214776, 505268470, 1010536940, 2021073880]

約数ペア:

[(1, 2021073880), (2, 1010536940), (4, 505268470), (5, 404214776), (7, 288724840), (8, 252634235), (10, 202107388), (14, 144362420), (20, 101053694), (28, 72181210), (35, 57744968), (40, 50526847), (56, 36090605), (70, 28872484), (140, 14436242), (280, 7218121)]