21811350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13219}}^1$

素因数の和:13245

約数の個数: 48

約数和(自身を含む): 59014080

約数和(自身を除く): 37202730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13219, 26438, 39657, 66095, 79314, 132190, 145409, 198285, 290818, 330475, 396570, 436227, 660950, 727045, 872454, 991425, 1454090, 1982850, 2181135, 3635225, 4362270, 7270450, 10905675, 21811350]

約数ペア:

[(1, 21811350), (2, 10905675), (3, 7270450), (5, 4362270), (6, 3635225), (10, 2181135), (11, 1982850), (15, 1454090), (22, 991425), (25, 872454), (30, 727045), (33, 660950), (50, 436227), (55, 396570), (66, 330475), (75, 290818), (110, 198285), (150, 145409), (165, 132190), (275, 79314), (330, 66095), (550, 39657), (825, 26438), (1650, 13219)]