21962728

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6521}}^1$

素因数の和:6948

約数の個数: 16

約数和(自身を含む): 41284260

約数和(自身を除く): 19321532

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6521, 13042, 26084, 52168, 2745341, 5490682, 10981364, 21962728]

約数ペア:

[(1, 21962728), (2, 10981364), (4, 5490682), (8, 2745341), (421, 52168), (842, 26084), (1684, 13042), (3368, 6521)]