21497088

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 59750208

約数和(自身を除く): 38253120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1217, 1472, 2208, 2434, 2944, 3651, 4416, 4868, 5888, 7302, 8832, 9736, 14604, 17664, 19472, 27991, 29208, 38944, 55982, 58416, 77888, 83973, 111964, 116832, 155776, 167946, 223928, 233664, 311552, 335892, 447856, 467328, 671784, 895712, 934656, 1343568, 1791424, 2687136, 3582848, 5374272, 7165696, 10748544, 21497088]

約数ペア:

[(1, 21497088), (2, 10748544), (3, 7165696), (4, 5374272), (6, 3582848), (8, 2687136), (12, 1791424), (16, 1343568), (23, 934656), (24, 895712), (32, 671784), (46, 467328), (48, 447856), (64, 335892), (69, 311552), (92, 233664), (96, 223928), (128, 167946), (138, 155776), (184, 116832), (192, 111964), (256, 83973), (276, 77888), (368, 58416), (384, 55982), (552, 38944), (736, 29208), (768, 27991), (1104, 19472), (1217, 17664), (1472, 14604), (2208, 9736), (2434, 8832), (2944, 7302), (3651, 5888), (4416, 4868)]