21995712

素因数分解:

$2^6\times 3^4\times {\mathrm{4243}}^1$

素因数の和:4267

約数の個数: 70

約数和(自身を含む): 65217548

約数和(自身を除く): 43221836

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 4243, 5184, 8486, 12729, 16972, 25458, 33944, 38187, 50916, 67888, 76374, 101832, 114561, 135776, 152748, 203664, 229122, 271552, 305496, 343683, 407328, 458244, 610992, 687366, 814656, 916488, 1221984, 1374732, 1832976, 2443968, 2749464, 3665952, 5498928, 7331904, 10997856, 21995712]

約数ペア:

[(1, 21995712), (2, 10997856), (3, 7331904), (4, 5498928), (6, 3665952), (8, 2749464), (9, 2443968), (12, 1832976), (16, 1374732), (18, 1221984), (24, 916488), (27, 814656), (32, 687366), (36, 610992), (48, 458244), (54, 407328), (64, 343683), (72, 305496), (81, 271552), (96, 229122), (108, 203664), (144, 152748), (162, 135776), (192, 114561), (216, 101832), (288, 76374), (324, 67888), (432, 50916), (576, 38187), (648, 33944), (864, 25458), (1296, 16972), (1728, 12729), (2592, 8486), (4243, 5184)]