21938091

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1931}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 33508608

約数和(自身を除く): 11570517

約数列:

[1, 3, 7, 21, 541, 1623, 1931, 3787, 5793, 11361, 13517, 40551, 1044671, 3134013, 7312697, 21938091]

約数ペア:

[(1, 21938091), (3, 7312697), (7, 3134013), (21, 1044671), (541, 40551), (1623, 13517), (1931, 11361), (3787, 5793)]