21059823

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 28761056

約数和(自身を除く): 7701233

約数列:

[1, 3, 61, 157, 183, 471, 733, 2199, 9577, 28731, 44713, 115081, 134139, 345243, 7019941, 21059823]

約数ペア:

[(1, 21059823), (3, 7019941), (61, 345243), (157, 134139), (183, 115081), (471, 44713), (733, 28731), (2199, 9577)]