21215136

素因数分解:

$2^5\times 3^1\times {\mathrm{383}}^1\times {\mathrm{577}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 55931904

約数和(自身を除く): 34716768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 383, 577, 766, 1149, 1154, 1532, 1731, 2298, 2308, 3064, 3462, 4596, 4616, 6128, 6924, 9192, 9232, 12256, 13848, 18384, 18464, 27696, 36768, 55392, 220991, 441982, 662973, 883964, 1325946, 1767928, 2651892, 3535856, 5303784, 7071712, 10607568, 21215136]

約数ペア:

[(1, 21215136), (2, 10607568), (3, 7071712), (4, 5303784), (6, 3535856), (8, 2651892), (12, 1767928), (16, 1325946), (24, 883964), (32, 662973), (48, 441982), (96, 220991), (383, 55392), (577, 36768), (766, 27696), (1149, 18464), (1154, 18384), (1532, 13848), (1731, 12256), (2298, 9232), (2308, 9192), (3064, 6924), (3462, 6128), (4596, 4616)]