21548793

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13702407

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1019, 1113, 3021, 3057, 7049, 7133, 19361, 21147, 21399, 54007, 58083, 135527, 162021, 378049, 406581, 1026133, 1134147, 3078399, 7182931, 21548793]

約数ペア:

[(1, 21548793), (3, 7182931), (7, 3078399), (19, 1134147), (21, 1026133), (53, 406581), (57, 378049), (133, 162021), (159, 135527), (371, 58083), (399, 54007), (1007, 21399), (1019, 21147), (1113, 19361), (3021, 7133), (3057, 7049)]