21103640458

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{1669}}^1\times {\mathrm{3761}}^1$

素因数の和:5514

約数の個数: 24

約数和(自身を含む): 32474449260

約数和(自身を除く): 11370808802

約数列:

[1, 2, 41, 82, 1669, 1681, 3338, 3362, 3761, 7522, 68429, 136858, 154201, 308402, 2805589, 5611178, 6277109, 6322241, 12554218, 12644482, 257361469, 514722938, 10551820229, 21103640458]

約数ペア:

[(1, 21103640458), (2, 10551820229), (41, 514722938), (82, 257361469), (1669, 12644482), (1681, 12554218), (3338, 6322241), (3362, 6277109), (3761, 5611178), (7522, 2805589), (68429, 308402), (136858, 154201)]