21248976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63241}}^1$

素因数の和:63259

約数の個数: 40

約数和(自身を含む): 62736064

約数和(自身を除く): 41487088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63241, 126482, 189723, 252964, 379446, 442687, 505928, 758892, 885374, 1011856, 1328061, 1517784, 1770748, 2656122, 3035568, 3541496, 5312244, 7082992, 10624488, 21248976]

約数ペア:

[(1, 21248976), (2, 10624488), (3, 7082992), (4, 5312244), (6, 3541496), (7, 3035568), (8, 2656122), (12, 1770748), (14, 1517784), (16, 1328061), (21, 1011856), (24, 885374), (28, 758892), (42, 505928), (48, 442687), (56, 379446), (84, 252964), (112, 189723), (168, 126482), (336, 63241)]