21064488

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21407}}^1$

素因数の和:21457

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 32883672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21407, 42814, 64221, 85628, 128442, 171256, 256884, 513768, 877687, 1755374, 2633061, 3510748, 5266122, 7021496, 10532244, 21064488]

約数ペア:

[(1, 21064488), (2, 10532244), (3, 7021496), (4, 5266122), (6, 3510748), (8, 2633061), (12, 1755374), (24, 877687), (41, 513768), (82, 256884), (123, 171256), (164, 128442), (246, 85628), (328, 64221), (492, 42814), (984, 21407)]