21005696

素因数分解:

$2^7\times {\mathrm{379}}^1\times {\mathrm{433}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 42054600

約数和(自身を除く): 21048904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 379, 433, 758, 866, 1516, 1732, 3032, 3464, 6064, 6928, 12128, 13856, 24256, 27712, 48512, 55424, 164107, 328214, 656428, 1312856, 2625712, 5251424, 10502848, 21005696]

約数ペア:

[(1, 21005696), (2, 10502848), (4, 5251424), (8, 2625712), (16, 1312856), (32, 656428), (64, 328214), (128, 164107), (379, 55424), (433, 48512), (758, 27712), (866, 24256), (1516, 13856), (1732, 12128), (3032, 6928), (3464, 6064)]