21858540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33119}}^1$

素因数の和:33142

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 44911380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33119, 66238, 99357, 132476, 165595, 198714, 331190, 364309, 397428, 496785, 662380, 728618, 993570, 1092927, 1457236, 1821545, 1987140, 2185854, 3643090, 4371708, 5464635, 7286180, 10929270, 21858540]

約数ペア:

[(1, 21858540), (2, 10929270), (3, 7286180), (4, 5464635), (5, 4371708), (6, 3643090), (10, 2185854), (11, 1987140), (12, 1821545), (15, 1457236), (20, 1092927), (22, 993570), (30, 728618), (33, 662380), (44, 496785), (55, 397428), (60, 364309), (66, 331190), (110, 198714), (132, 165595), (165, 132476), (220, 99357), (330, 66238), (660, 33119)]