21418656

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31873}}^1$

素因数の和:31893

約数の個数: 48

約数和(自身を含む): 64257984

約数和(自身を除く): 42839328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31873, 63746, 95619, 127492, 191238, 223111, 254984, 382476, 446222, 509968, 669333, 764952, 892444, 1019936, 1338666, 1529904, 1784888, 2677332, 3059808, 3569776, 5354664, 7139552, 10709328, 21418656]

約数ペア:

[(1, 21418656), (2, 10709328), (3, 7139552), (4, 5354664), (6, 3569776), (7, 3059808), (8, 2677332), (12, 1784888), (14, 1529904), (16, 1338666), (21, 1019936), (24, 892444), (28, 764952), (32, 669333), (42, 509968), (48, 446222), (56, 382476), (84, 254984), (96, 223111), (112, 191238), (168, 127492), (224, 95619), (336, 63746), (672, 31873)]