21711060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17231}}^1$

素因数の和:17253

約数の個数: 72

約数和(自身を含む): 75269376

約数和(自身を除く): 53558316

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, 17231, 34462, 51693, 68924, 86155, 103386, 120617, 155079, 172310, 206772, 241234, 258465, 310158, 344620, 361851, 482468, 516930, 603085, 620316, 723702, 775395, 1033860, 1085553, 1206170, 1447404, 1550790, 1809255, 2171106, 2412340, 3101580, 3618510, 4342212, 5427765, 7237020, 10855530, 21711060]

約数ペア:

[(1, 21711060), (2, 10855530), (3, 7237020), (4, 5427765), (5, 4342212), (6, 3618510), (7, 3101580), (9, 2412340), (10, 2171106), (12, 1809255), (14, 1550790), (15, 1447404), (18, 1206170), (20, 1085553), (21, 1033860), (28, 775395), (30, 723702), (35, 620316), (36, 603085), (42, 516930), (45, 482468), (60, 361851), (63, 344620), (70, 310158), (84, 258465), (90, 241234), (105, 206772), (126, 172310), (140, 155079), (180, 120617), (210, 103386), (252, 86155), (315, 68924), (420, 51693), (630, 34462), (1260, 17231)]