21020450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38219}}^1$

素因数の和:38242

約数の個数: 24

約数和(自身を含む): 42653520

約数和(自身を除く): 21633070

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38219, 76438, 191095, 382190, 420409, 840818, 955475, 1910950, 2102045, 4204090, 10510225, 21020450]

約数ペア:

[(1, 21020450), (2, 10510225), (5, 4204090), (10, 2102045), (11, 1910950), (22, 955475), (25, 840818), (50, 420409), (55, 382190), (110, 191095), (275, 76438), (550, 38219)]