21890832

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 60621120

約数和(自身を除く): 38730288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 139, 193, 204, 272, 278, 386, 408, 417, 556, 579, 772, 816, 834, 1112, 1158, 1544, 1668, 2224, 2316, 2363, 3088, 3281, 3336, 4632, 4726, 6562, 6672, 7089, 9264, 9452, 9843, 13124, 14178, 18904, 19686, 26248, 26827, 28356, 37808, 39372, 52496, 53654, 56712, 78744, 80481, 107308, 113424, 157488, 160962, 214616, 321924, 429232, 456059, 643848, 912118, 1287696, 1368177, 1824236, 2736354, 3648472, 5472708, 7296944, 10945416, 21890832]

約数ペア:

[(1, 21890832), (2, 10945416), (3, 7296944), (4, 5472708), (6, 3648472), (8, 2736354), (12, 1824236), (16, 1368177), (17, 1287696), (24, 912118), (34, 643848), (48, 456059), (51, 429232), (68, 321924), (102, 214616), (136, 160962), (139, 157488), (193, 113424), (204, 107308), (272, 80481), (278, 78744), (386, 56712), (408, 53654), (417, 52496), (556, 39372), (579, 37808), (772, 28356), (816, 26827), (834, 26248), (1112, 19686), (1158, 18904), (1544, 14178), (1668, 13124), (2224, 9843), (2316, 9452), (2363, 9264), (3088, 7089), (3281, 6672), (3336, 6562), (4632, 4726)]