20210355

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40829}}^1$

素因数の和:40851

約数の個数: 24

約数和(自身を含む): 38216880

約数和(自身を除く): 18006525

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40829, 122487, 204145, 367461, 449119, 612435, 1347357, 1837305, 2245595, 4042071, 6736785, 20210355]

約数ペア:

[(1, 20210355), (3, 6736785), (5, 4042071), (9, 2245595), (11, 1837305), (15, 1347357), (33, 612435), (45, 449119), (55, 367461), (99, 204145), (165, 122487), (495, 40829)]