21475064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6661}}^1$

素因数の和:6711

約数の個数: 32

約数和(自身を含む): 44768640

約数和(自身を除く): 23293576

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6661, 13322, 26644, 53288, 86593, 173186, 206491, 346372, 412982, 692744, 825964, 1651928, 2684383, 5368766, 10737532, 21475064]

約数ペア:

[(1, 21475064), (2, 10737532), (4, 5368766), (8, 2684383), (13, 1651928), (26, 825964), (31, 692744), (52, 412982), (62, 346372), (104, 206491), (124, 173186), (248, 86593), (403, 53288), (806, 26644), (1612, 13322), (3224, 6661)]