21556275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22109}}^1$

素因数の和:22135

約数の個数: 24

約数和(自身を含む): 38382960

約数和(自身を除く): 16826685

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22109, 66327, 110545, 287417, 331635, 552725, 862251, 1437085, 1658175, 4311255, 7185425, 21556275]

約数ペア:

[(1, 21556275), (3, 7185425), (5, 4311255), (13, 1658175), (15, 1437085), (25, 862251), (39, 552725), (65, 331635), (75, 287417), (195, 110545), (325, 66327), (975, 22109)]