21431802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11867}}^1$

素因数の和:11922

約数の個数: 32

約数和(自身を含む): 50130432

約数和(自身を除く): 28698630

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11867, 23734, 35601, 71202, 83069, 166138, 249207, 498414, 510281, 1020562, 1530843, 3061686, 3571967, 7143934, 10715901, 21431802]

約数ペア:

[(1, 21431802), (2, 10715901), (3, 7143934), (6, 3571967), (7, 3061686), (14, 1530843), (21, 1020562), (42, 510281), (43, 498414), (86, 249207), (129, 166138), (258, 83069), (301, 71202), (602, 35601), (903, 23734), (1806, 11867)]