21535136

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 48900096

約数和(自身を除く): 27364960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 757, 889, 1016, 1514, 1778, 2032, 3028, 3556, 4064, 5299, 6056, 7112, 10598, 12112, 14224, 21196, 24224, 28448, 42392, 84784, 96139, 169568, 192278, 384556, 672973, 769112, 1345946, 1538224, 2691892, 3076448, 5383784, 10767568, 21535136]

約数ペア:

[(1, 21535136), (2, 10767568), (4, 5383784), (7, 3076448), (8, 2691892), (14, 1538224), (16, 1345946), (28, 769112), (32, 672973), (56, 384556), (112, 192278), (127, 169568), (224, 96139), (254, 84784), (508, 42392), (757, 28448), (889, 24224), (1016, 21196), (1514, 14224), (1778, 12112), (2032, 10598), (3028, 7112), (3556, 6056), (4064, 5299)]