26481420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{21017}}^1$

素因数の和:21039

約数の個数: 72

約数和(自身を含む): 91806624

約数和(自身を除く): 65325204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 21017, 42034, 63051, 84068, 105085, 126102, 147119, 189153, 210170, 252204, 294238, 315255, 378306, 420340, 441357, 588476, 630510, 735595, 756612, 882714, 945765, 1261020, 1324071, 1471190, 1765428, 1891530, 2206785, 2648142, 2942380, 3783060, 4413570, 5296284, 6620355, 8827140, 13240710, 26481420]

約数ペア:

[(1, 26481420), (2, 13240710), (3, 8827140), (4, 6620355), (5, 5296284), (6, 4413570), (7, 3783060), (9, 2942380), (10, 2648142), (12, 2206785), (14, 1891530), (15, 1765428), (18, 1471190), (20, 1324071), (21, 1261020), (28, 945765), (30, 882714), (35, 756612), (36, 735595), (42, 630510), (45, 588476), (60, 441357), (63, 420340), (70, 378306), (84, 315255), (90, 294238), (105, 252204), (126, 210170), (140, 189153), (180, 147119), (210, 126102), (252, 105085), (315, 84068), (420, 63051), (630, 42034), (1260, 21017)]