21362061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 35215360

約数和(自身を除く): 13853299

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1447, 2109, 4341, 4921, 10129, 14763, 27493, 30387, 53539, 82479, 160617, 192451, 374773, 577353, 1017241, 1124319, 3051723, 7120687, 21362061]

約数ペア:

[(1, 21362061), (3, 7120687), (7, 3051723), (19, 1124319), (21, 1017241), (37, 577353), (57, 374773), (111, 192451), (133, 160617), (259, 82479), (399, 53539), (703, 30387), (777, 27493), (1447, 14763), (2109, 10129), (4341, 4921)]