21887635

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 11174765

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 409, 695, 973, 1529, 2045, 2863, 4499, 4865, 7645, 10703, 14315, 22495, 31493, 53515, 56851, 157465, 284255, 397957, 625361, 1989785, 3126805, 4377527, 21887635]

約数ペア:

[(1, 21887635), (5, 4377527), (7, 3126805), (11, 1989785), (35, 625361), (55, 397957), (77, 284255), (139, 157465), (385, 56851), (409, 53515), (695, 31493), (973, 22495), (1529, 14315), (2045, 10703), (2863, 7645), (4499, 4865)]