21700210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2053}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 44957952

約数和(自身を除く): 23257742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2053, 2114, 4106, 5285, 10265, 10570, 14371, 20530, 28742, 71855, 143710, 310003, 620006, 1550015, 2170021, 3100030, 4340042, 10850105, 21700210]

約数ペア:

[(1, 21700210), (2, 10850105), (5, 4340042), (7, 3100030), (10, 2170021), (14, 1550015), (35, 620006), (70, 310003), (151, 143710), (302, 71855), (755, 28742), (1057, 20530), (1510, 14371), (2053, 10570), (2114, 10265), (4106, 5285)]