21773784

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 34674216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 97, 141, 188, 194, 199, 282, 291, 376, 388, 398, 564, 582, 597, 776, 796, 1128, 1164, 1194, 1592, 2328, 2388, 4559, 4776, 9118, 9353, 13677, 18236, 18706, 19303, 27354, 28059, 36472, 37412, 38606, 54708, 56118, 57909, 74824, 77212, 109416, 112236, 115818, 154424, 224472, 231636, 463272, 907241, 1814482, 2721723, 3628964, 5443446, 7257928, 10886892, 21773784]

約数ペア:

[(1, 21773784), (2, 10886892), (3, 7257928), (4, 5443446), (6, 3628964), (8, 2721723), (12, 1814482), (24, 907241), (47, 463272), (94, 231636), (97, 224472), (141, 154424), (188, 115818), (194, 112236), (199, 109416), (282, 77212), (291, 74824), (376, 57909), (388, 56118), (398, 54708), (564, 38606), (582, 37412), (597, 36472), (776, 28059), (796, 27354), (1128, 19303), (1164, 18706), (1194, 18236), (1592, 13677), (2328, 9353), (2388, 9118), (4559, 4776)]