21160938

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 43295616

約数和(自身を除く): 22134678

約数列:

[1, 2, 3, 6, 97, 103, 194, 206, 291, 309, 353, 582, 618, 706, 1059, 2118, 9991, 19982, 29973, 34241, 36359, 59946, 68482, 72718, 102723, 109077, 205446, 218154, 3526823, 7053646, 10580469, 21160938]

約数ペア:

[(1, 21160938), (2, 10580469), (3, 7053646), (6, 3526823), (97, 218154), (103, 205446), (194, 109077), (206, 102723), (291, 72718), (309, 68482), (353, 59946), (582, 36359), (618, 34241), (706, 29973), (1059, 19982), (2118, 9991)]