21079848

素因数分解:

$2^3\times 3^1\times {\mathrm{307}}^1\times {\mathrm{2861}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 31809912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 307, 614, 921, 1228, 1842, 2456, 2861, 3684, 5722, 7368, 8583, 11444, 17166, 22888, 34332, 68664, 878327, 1756654, 2634981, 3513308, 5269962, 7026616, 10539924, 21079848]

約数ペア:

[(1, 21079848), (2, 10539924), (3, 7026616), (4, 5269962), (6, 3513308), (8, 2634981), (12, 1756654), (24, 878327), (307, 68664), (614, 34332), (921, 22888), (1228, 17166), (1842, 11444), (2456, 8583), (2861, 7368), (3684, 5722)]