21553454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20219}}^1$

素因数の和:20275

約数の個数: 16

約数和(自身を含む): 35668080

約数和(自身を除く): 14114626

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20219, 40438, 262847, 525694, 828979, 1657958, 10776727, 21553454]

約数ペア:

[(1, 21553454), (2, 10776727), (13, 1657958), (26, 828979), (41, 525694), (82, 262847), (533, 40438), (1066, 20219)]