21713922

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 49944960

約数和(自身を除く): 28231038

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 342, 346, 367, 519, 734, 1038, 1101, 1557, 2202, 3114, 3287, 3303, 6574, 6606, 6973, 9861, 13946, 19722, 20919, 29583, 41838, 59166, 62757, 63491, 125514, 126982, 190473, 380946, 571419, 1142838, 1206329, 2412658, 3618987, 7237974, 10856961, 21713922]

約数ペア:

[(1, 21713922), (2, 10856961), (3, 7237974), (6, 3618987), (9, 2412658), (18, 1206329), (19, 1142838), (38, 571419), (57, 380946), (114, 190473), (171, 126982), (173, 125514), (342, 63491), (346, 62757), (367, 59166), (519, 41838), (734, 29583), (1038, 20919), (1101, 19722), (1557, 13946), (2202, 9861), (3114, 6973), (3287, 6606), (3303, 6574)]