21814892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7069

約数の個数: 24

約数和(自身を含む): 42239232

約数和(自身を除く): 20424340

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6983, 13966, 27932, 76813, 153626, 307252, 495793, 991586, 1983172, 5453723, 10907446, 21814892]

約数ペア:

[(1, 21814892), (2, 10907446), (4, 5453723), (11, 1983172), (22, 991586), (44, 495793), (71, 307252), (142, 153626), (284, 76813), (781, 27932), (1562, 13966), (3124, 6983)]