21371472

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 80

約数和(自身を含む): 62426560

約数和(自身を除く): 41055088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 811, 976, 1098, 1464, 1622, 1647, 2196, 2433, 2928, 3244, 3294, 4392, 4866, 6488, 6588, 7299, 8784, 9732, 12976, 13176, 14598, 19464, 21897, 26352, 29196, 38928, 43794, 49471, 58392, 87588, 98942, 116784, 148413, 175176, 197884, 296826, 350352, 395768, 445239, 593652, 791536, 890478, 1187304, 1335717, 1780956, 2374608, 2671434, 3561912, 5342868, 7123824, 10685736, 21371472]

約数ペア:

[(1, 21371472), (2, 10685736), (3, 7123824), (4, 5342868), (6, 3561912), (8, 2671434), (9, 2374608), (12, 1780956), (16, 1335717), (18, 1187304), (24, 890478), (27, 791536), (36, 593652), (48, 445239), (54, 395768), (61, 350352), (72, 296826), (108, 197884), (122, 175176), (144, 148413), (183, 116784), (216, 98942), (244, 87588), (366, 58392), (432, 49471), (488, 43794), (549, 38928), (732, 29196), (811, 26352), (976, 21897), (1098, 19464), (1464, 14598), (1622, 13176), (1647, 12976), (2196, 9732), (2433, 8784), (2928, 7299), (3244, 6588), (3294, 6488), (4392, 4866)]