21206208

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 60899040

約数和(自身を除く): 39692832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 73, 89, 96, 102, 136, 146, 178, 192, 204, 219, 267, 272, 292, 356, 408, 438, 534, 544, 584, 712, 816, 876, 1068, 1088, 1168, 1241, 1424, 1513, 1632, 1752, 2136, 2336, 2482, 2848, 3026, 3264, 3504, 3723, 4272, 4539, 4672, 4964, 5696, 6052, 6497, 7008, 7446, 8544, 9078, 9928, 12104, 12994, 14016, 14892, 17088, 18156, 19491, 19856, 24208, 25988, 29784, 36312, 38982, 39712, 48416, 51976, 59568, 72624, 77964, 79424, 96832, 103952, 110449, 119136, 145248, 155928, 207904, 220898, 238272, 290496, 311856, 331347, 415808, 441796, 623712, 662694, 883592, 1247424, 1325388, 1767184, 2650776, 3534368, 5301552, 7068736, 10603104, 21206208]

約数ペア:

[(1, 21206208), (2, 10603104), (3, 7068736), (4, 5301552), (6, 3534368), (8, 2650776), (12, 1767184), (16, 1325388), (17, 1247424), (24, 883592), (32, 662694), (34, 623712), (48, 441796), (51, 415808), (64, 331347), (68, 311856), (73, 290496), (89, 238272), (96, 220898), (102, 207904), (136, 155928), (146, 145248), (178, 119136), (192, 110449), (204, 103952), (219, 96832), (267, 79424), (272, 77964), (292, 72624), (356, 59568), (408, 51976), (438, 48416), (534, 39712), (544, 38982), (584, 36312), (712, 29784), (816, 25988), (876, 24208), (1068, 19856), (1088, 19491), (1168, 18156), (1241, 17088), (1424, 14892), (1513, 14016), (1632, 12994), (1752, 12104), (2136, 9928), (2336, 9078), (2482, 8544), (2848, 7446), (3026, 7008), (3264, 6497), (3504, 6052), (3723, 5696), (4272, 4964), (4539, 4672)]