21401295545

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{19379}}^1$

素因数の和:19757

約数の個数: 32

約数和(自身を含む): 29693260800

約数和(自身を除く): 8291965255

約数列:

[1, 5, 7, 35, 139, 227, 695, 973, 1135, 1589, 4865, 7945, 19379, 31553, 96895, 135653, 157765, 220871, 678265, 1104355, 2693681, 4399033, 13468405, 18855767, 21995165, 30793231, 94278835, 153966155, 611465587, 3057327935, 4280259109, 21401295545]

約数ペア:

[(1, 21401295545), (5, 4280259109), (7, 3057327935), (35, 611465587), (139, 153966155), (227, 94278835), (695, 30793231), (973, 21995165), (1135, 18855767), (1589, 13468405), (4865, 4399033), (7945, 2693681), (19379, 1104355), (31553, 678265), (96895, 220871), (135653, 157765)]