21484472

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6379}}^1$

素因数の和:6806

約数の個数: 16

約数和(自身を含む): 40385400

約数和(自身を除く): 18900928

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6379, 12758, 25516, 51032, 2685559, 5371118, 10742236, 21484472]

約数ペア:

[(1, 21484472), (2, 10742236), (4, 5371118), (8, 2685559), (421, 51032), (842, 25516), (1684, 12758), (3368, 6379)]