21869722

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82217}}^1$

素因数の和:82245

約数の個数: 16

約数和(自身を含む): 39464640

約数和(自身を除く): 17594918

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82217, 164434, 575519, 1151038, 1562123, 3124246, 10934861, 21869722]

約数ペア:

[(1, 21869722), (2, 10934861), (7, 3124246), (14, 1562123), (19, 1151038), (38, 575519), (133, 164434), (266, 82217)]