21050176

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2511

約数の個数: 56

約数和(自身を含む): 50271680

約数和(自身を除く): 29221504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2473, 4256, 4946, 8512, 9892, 17311, 19784, 34622, 39568, 46987, 69244, 79136, 93974, 138488, 158272, 187948, 276976, 328909, 375896, 553952, 657818, 751792, 1107904, 1315636, 1503584, 2631272, 3007168, 5262544, 10525088, 21050176]

約数ペア:

[(1, 21050176), (2, 10525088), (4, 5262544), (7, 3007168), (8, 2631272), (14, 1503584), (16, 1315636), (19, 1107904), (28, 751792), (32, 657818), (38, 553952), (56, 375896), (64, 328909), (76, 276976), (112, 187948), (133, 158272), (152, 138488), (224, 93974), (266, 79136), (304, 69244), (448, 46987), (532, 39568), (608, 34622), (1064, 19784), (1216, 17311), (2128, 9892), (2473, 8512), (4256, 4946)]