21373946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 15857542

約数列:

[1, 2, 11, 22, 23, 46, 53, 106, 253, 506, 583, 797, 1166, 1219, 1594, 2438, 8767, 13409, 17534, 18331, 26818, 36662, 42241, 84482, 201641, 403282, 464651, 929302, 971543, 1943086, 10686973, 21373946]

約数ペア:

[(1, 21373946), (2, 10686973), (11, 1943086), (22, 971543), (23, 929302), (46, 464651), (53, 403282), (106, 201641), (253, 84482), (506, 42241), (583, 36662), (797, 26818), (1166, 18331), (1219, 17534), (1594, 13409), (2438, 8767)]