21583485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6229}}^1$

素因数の和:6258

約数の個数: 48

約数和(自身を含む): 46650240

約数和(自身を除く): 25066755

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6229, 18687, 31145, 43603, 56061, 68519, 93435, 130809, 205557, 218015, 280305, 342595, 392427, 479633, 616671, 654045, 1027785, 1438899, 1962135, 2398165, 3083355, 4316697, 7194495, 21583485]

約数ペア:

[(1, 21583485), (3, 7194495), (5, 4316697), (7, 3083355), (9, 2398165), (11, 1962135), (15, 1438899), (21, 1027785), (33, 654045), (35, 616671), (45, 479633), (55, 392427), (63, 342595), (77, 280305), (99, 218015), (105, 205557), (165, 130809), (231, 93435), (315, 68519), (385, 56061), (495, 43603), (693, 31145), (1155, 18687), (3465, 6229)]