21597928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2957}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 23127032

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2957, 3652, 5914, 7304, 11828, 23656, 32527, 65054, 130108, 245431, 260216, 490862, 981724, 1963448, 2699741, 5399482, 10798964, 21597928]

約数ペア:

[(1, 21597928), (2, 10798964), (4, 5399482), (8, 2699741), (11, 1963448), (22, 981724), (44, 490862), (83, 260216), (88, 245431), (166, 130108), (332, 65054), (664, 32527), (913, 23656), (1826, 11828), (2957, 7304), (3652, 5914)]