21030184

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2957}}^1$

素因数の和:3097

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 24404696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2957, 3556, 5914, 7112, 11828, 20699, 23656, 41398, 82796, 165592, 375539, 751078, 1502156, 2628773, 3004312, 5257546, 10515092, 21030184]

約数ペア:

[(1, 21030184), (2, 10515092), (4, 5257546), (7, 3004312), (8, 2628773), (14, 1502156), (28, 751078), (56, 375539), (127, 165592), (254, 82796), (508, 41398), (889, 23656), (1016, 20699), (1778, 11828), (2957, 7112), (3556, 5914)]