21456084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1741}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 54629120

約数和(自身を除く): 33173036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 1741, 2054, 3081, 3482, 4108, 5223, 6162, 6964, 10446, 12324, 20892, 22633, 45266, 67899, 90532, 135798, 137539, 271596, 275078, 412617, 550156, 825234, 1650468, 1788007, 3576014, 5364021, 7152028, 10728042, 21456084]

約数ペア:

[(1, 21456084), (2, 10728042), (3, 7152028), (4, 5364021), (6, 3576014), (12, 1788007), (13, 1650468), (26, 825234), (39, 550156), (52, 412617), (78, 275078), (79, 271596), (156, 137539), (158, 135798), (237, 90532), (316, 67899), (474, 45266), (948, 22633), (1027, 20892), (1741, 12324), (2054, 10446), (3081, 6964), (3482, 6162), (4108, 5223)]