21906525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15373}}^1$

素因数の和:15405

約数の個数: 24

約数和(自身を含む): 38127520

約数和(自身を除く): 16220995

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15373, 46119, 76865, 230595, 292087, 384325, 876261, 1152975, 1460435, 4381305, 7302175, 21906525]

約数ペア:

[(1, 21906525), (3, 7302175), (5, 4381305), (15, 1460435), (19, 1152975), (25, 876261), (57, 384325), (75, 292087), (95, 230595), (285, 76865), (475, 46119), (1425, 15373)]