21416120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48673}}^1$

素因数の和:48695

約数の個数: 32

約数和(自身を含む): 52567920

約数和(自身を除く): 31151800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48673, 97346, 194692, 243365, 389384, 486730, 535403, 973460, 1070806, 1946920, 2141612, 2677015, 4283224, 5354030, 10708060, 21416120]

約数ペア:

[(1, 21416120), (2, 10708060), (4, 5354030), (5, 4283224), (8, 2677015), (10, 2141612), (11, 1946920), (20, 1070806), (22, 973460), (40, 535403), (44, 486730), (55, 389384), (88, 243365), (110, 194692), (220, 97346), (440, 48673)]