21344856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 60424560

約数和(自身を除く): 39079704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 43, 52, 74, 78, 86, 104, 111, 129, 148, 156, 172, 222, 258, 296, 312, 344, 444, 481, 516, 559, 888, 962, 1032, 1118, 1443, 1591, 1677, 1849, 1924, 2236, 2886, 3182, 3354, 3698, 3848, 4472, 4773, 5547, 5772, 6364, 6708, 7396, 9546, 11094, 11544, 12728, 13416, 14792, 19092, 20683, 22188, 24037, 38184, 41366, 44376, 48074, 62049, 68413, 72111, 82732, 96148, 124098, 136826, 144222, 165464, 192296, 205239, 248196, 273652, 288444, 410478, 496392, 547304, 576888, 820956, 889369, 1641912, 1778738, 2668107, 3557476, 5336214, 7114952, 10672428, 21344856]

約数ペア:

[(1, 21344856), (2, 10672428), (3, 7114952), (4, 5336214), (6, 3557476), (8, 2668107), (12, 1778738), (13, 1641912), (24, 889369), (26, 820956), (37, 576888), (39, 547304), (43, 496392), (52, 410478), (74, 288444), (78, 273652), (86, 248196), (104, 205239), (111, 192296), (129, 165464), (148, 144222), (156, 136826), (172, 124098), (222, 96148), (258, 82732), (296, 72111), (312, 68413), (344, 62049), (444, 48074), (481, 44376), (516, 41366), (559, 38184), (888, 24037), (962, 22188), (1032, 20683), (1118, 19092), (1443, 14792), (1591, 13416), (1677, 12728), (1849, 11544), (1924, 11094), (2236, 9546), (2886, 7396), (3182, 6708), (3354, 6364), (3698, 5772), (3848, 5547), (4472, 4773)]