21133274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6857}}^1$

素因数の和:6949

約数の個数: 16

約数和(自身を含む): 33576768

約数和(自身を除く): 12443494

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6857, 13714, 157711, 315422, 459419, 918838, 10566637, 21133274]

約数ペア:

[(1, 21133274), (2, 10566637), (23, 918838), (46, 459419), (67, 315422), (134, 157711), (1541, 13714), (3082, 6857)]