21322072

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6361}}^1$

素因数の和:6786

約数の個数: 16

約数和(自身を含む): 40080600

約数和(自身を除く): 18758528

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6361, 12722, 25444, 50888, 2665259, 5330518, 10661036, 21322072]

約数ペア:

[(1, 21322072), (2, 10661036), (4, 5330518), (8, 2665259), (419, 50888), (838, 25444), (1676, 12722), (3352, 6361)]