21436140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32479}}^1$

素因数の和:32502

約数の個数: 48

約数和(自身を含む): 65479680

約数和(自身を除く): 44043540

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, 32479, 64958, 97437, 129916, 162395, 194874, 324790, 357269, 389748, 487185, 649580, 714538, 974370, 1071807, 1429076, 1786345, 1948740, 2143614, 3572690, 4287228, 5359035, 7145380, 10718070, 21436140]

約数ペア:

[(1, 21436140), (2, 10718070), (3, 7145380), (4, 5359035), (5, 4287228), (6, 3572690), (10, 2143614), (11, 1948740), (12, 1786345), (15, 1429076), (20, 1071807), (22, 974370), (30, 714538), (33, 649580), (44, 487185), (55, 389748), (60, 357269), (66, 324790), (110, 194874), (132, 162395), (165, 129916), (220, 97437), (330, 64958), (660, 32479)]