21092048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 42720480

約数和(自身を除く): 21628432

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 131, 232, 262, 347, 464, 524, 694, 1048, 1388, 2096, 2776, 3799, 5552, 7598, 10063, 15196, 20126, 30392, 40252, 45457, 60784, 80504, 90914, 161008, 181828, 363656, 727312, 1318253, 2636506, 5273012, 10546024, 21092048]

約数ペア:

[(1, 21092048), (2, 10546024), (4, 5273012), (8, 2636506), (16, 1318253), (29, 727312), (58, 363656), (116, 181828), (131, 161008), (232, 90914), (262, 80504), (347, 60784), (464, 45457), (524, 40252), (694, 30392), (1048, 20126), (1388, 15196), (2096, 10063), (2776, 7598), (3799, 5552)]