21947222

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1132

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 14680978

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 979, 1019, 1958, 2038, 10769, 11209, 21538, 22418, 90691, 123299, 181382, 246598, 997601, 1995202, 10973611, 21947222]

約数ペア:

[(1, 21947222), (2, 10973611), (11, 1995202), (22, 997601), (89, 246598), (121, 181382), (178, 123299), (242, 90691), (979, 22418), (1019, 21538), (1958, 11209), (2038, 10769)]