21730835

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3217}}^1$

素因数の和:3422

約数の個数: 16

約数和(自身を含む): 29966016

約数和(自身を除く): 8235181

約数列:

[1, 5, 7, 35, 193, 965, 1351, 3217, 6755, 16085, 22519, 112595, 620881, 3104405, 4346167, 21730835]

約数ペア:

[(1, 21730835), (5, 4346167), (7, 3104405), (35, 620881), (193, 112595), (965, 22519), (1351, 16085), (3217, 6755)]