21751065

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23017}}^1$

素因数の和:23038

約数の個数: 32

約数和(自身を含む): 44194560

約数和(自身を除く): 22443495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23017, 69051, 115085, 161119, 207153, 345255, 483357, 621459, 805595, 1035765, 1450071, 2416785, 3107295, 4350213, 7250355, 21751065]

約数ペア:

[(1, 21751065), (3, 7250355), (5, 4350213), (7, 3107295), (9, 2416785), (15, 1450071), (21, 1035765), (27, 805595), (35, 621459), (45, 483357), (63, 345255), (105, 207153), (135, 161119), (189, 115085), (315, 69051), (945, 23017)]