21101353

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{503}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 26078976

約数和(自身を除く): 4977623

約数列:

[1, 7, 13, 91, 461, 503, 3227, 3521, 5993, 6539, 41951, 45773, 231883, 1623181, 3014479, 21101353]

約数ペア:

[(1, 21101353), (7, 3014479), (13, 1623181), (91, 231883), (461, 45773), (503, 41951), (3227, 6539), (3521, 5993)]