21490437

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 29494080

約数和(自身を除く): 8003643

約数列:

[1, 3, 41, 123, 379, 461, 1137, 1383, 15539, 18901, 46617, 56703, 174719, 524157, 7163479, 21490437]

約数ペア:

[(1, 21490437), (3, 7163479), (41, 524157), (123, 174719), (379, 56703), (461, 46617), (1137, 18901), (1383, 15539)]