21467578

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2130

約数の個数: 24

約数和(自身を含む): 36235584

約数和(自身を除く): 14768006

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2063, 4126, 5203, 10406, 22693, 45386, 88709, 177418, 249623, 499246, 975799, 1951598, 10733789, 21467578]

約数ペア:

[(1, 21467578), (2, 10733789), (11, 1951598), (22, 975799), (43, 499246), (86, 249623), (121, 177418), (242, 88709), (473, 45386), (946, 22693), (2063, 10406), (4126, 5203)]