21648928

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 49158144

約数和(自身を除く): 27509216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 761, 889, 1016, 1522, 1778, 2032, 3044, 3556, 4064, 5327, 6088, 7112, 10654, 12176, 14224, 21308, 24352, 28448, 42616, 85232, 96647, 170464, 193294, 386588, 676529, 773176, 1353058, 1546352, 2706116, 3092704, 5412232, 10824464, 21648928]

約数ペア:

[(1, 21648928), (2, 10824464), (4, 5412232), (7, 3092704), (8, 2706116), (14, 1546352), (16, 1353058), (28, 773176), (32, 676529), (56, 386588), (112, 193294), (127, 170464), (224, 96647), (254, 85232), (508, 42616), (761, 28448), (889, 24352), (1016, 21308), (1522, 14224), (1778, 12176), (2032, 10654), (3044, 7112), (3556, 6088), (4064, 5327)]