21114776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 42476400

約数和(自身を除く): 21361624

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2621, 4028, 5242, 8056, 10484, 20968, 49799, 99598, 138913, 199196, 277826, 398392, 555652, 1111304, 2639347, 5278694, 10557388, 21114776]

約数ペア:

[(1, 21114776), (2, 10557388), (4, 5278694), (8, 2639347), (19, 1111304), (38, 555652), (53, 398392), (76, 277826), (106, 199196), (152, 138913), (212, 99598), (424, 49799), (1007, 20968), (2014, 10484), (2621, 8056), (4028, 5242)]