21379688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1913}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 22718872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 1913, 2794, 3826, 5588, 7652, 11176, 15304, 21043, 42086, 84172, 168344, 242951, 485902, 971804, 1943608, 2672461, 5344922, 10689844, 21379688]

約数ペア:

[(1, 21379688), (2, 10689844), (4, 5344922), (8, 2672461), (11, 1943608), (22, 971804), (44, 485902), (88, 242951), (127, 168344), (254, 84172), (508, 42086), (1016, 21043), (1397, 15304), (1913, 11176), (2794, 7652), (3826, 5588)]