21954712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{557}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 22573688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 557, 758, 1114, 1516, 2228, 3032, 4456, 4927, 7241, 9854, 14482, 19708, 28964, 39416, 57928, 211103, 422206, 844412, 1688824, 2744339, 5488678, 10977356, 21954712]

約数ペア:

[(1, 21954712), (2, 10977356), (4, 5488678), (8, 2744339), (13, 1688824), (26, 844412), (52, 422206), (104, 211103), (379, 57928), (557, 39416), (758, 28964), (1114, 19708), (1516, 14482), (2228, 9854), (3032, 7241), (4456, 4927)]