21750302

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 38668800

約数和(自身を除く): 16918498

約数列:

[1, 2, 7, 14, 37, 74, 199, 211, 259, 398, 422, 518, 1393, 1477, 2786, 2954, 7363, 7807, 14726, 15614, 41989, 51541, 54649, 83978, 103082, 109298, 293923, 587846, 1553593, 3107186, 10875151, 21750302]

約数ペア:

[(1, 21750302), (2, 10875151), (7, 3107186), (14, 1553593), (37, 587846), (74, 293923), (199, 109298), (211, 103082), (259, 83978), (398, 54649), (422, 51541), (518, 41989), (1393, 15614), (1477, 14726), (2786, 7807), (2954, 7363)]