21896590

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{6203}}^1$

素因数の和:6563

約数の個数: 16

約数和(自身を含む): 39531888

約数和(自身を除く): 17635298

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 6203, 12406, 31015, 62030, 2189659, 4379318, 10948295, 21896590]

約数ペア:

[(1, 21896590), (2, 10948295), (5, 4379318), (10, 2189659), (353, 62030), (706, 31015), (1765, 12406), (3530, 6203)]