21539808

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2624

約数の個数: 72

約数和(自身を含む): 63390600

約数和(自身を除く): 41850792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2579, 2784, 4176, 5158, 7737, 8352, 10316, 15474, 20632, 23211, 30948, 41264, 46422, 61896, 74791, 82528, 92844, 123792, 149582, 185688, 224373, 247584, 299164, 371376, 448746, 598328, 673119, 742752, 897492, 1196656, 1346238, 1794984, 2393312, 2692476, 3589968, 5384952, 7179936, 10769904, 21539808]

約数ペア:

[(1, 21539808), (2, 10769904), (3, 7179936), (4, 5384952), (6, 3589968), (8, 2692476), (9, 2393312), (12, 1794984), (16, 1346238), (18, 1196656), (24, 897492), (29, 742752), (32, 673119), (36, 598328), (48, 448746), (58, 371376), (72, 299164), (87, 247584), (96, 224373), (116, 185688), (144, 149582), (174, 123792), (232, 92844), (261, 82528), (288, 74791), (348, 61896), (464, 46422), (522, 41264), (696, 30948), (928, 23211), (1044, 20632), (1392, 15474), (2088, 10316), (2579, 8352), (2784, 7737), (4176, 5158)]