21839757

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{503}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 29973888

約数和(自身を除く): 8134131

約数列:

[1, 3, 41, 123, 353, 503, 1059, 1509, 14473, 20623, 43419, 61869, 177559, 532677, 7279919, 21839757]

約数ペア:

[(1, 21839757), (3, 7279919), (41, 532677), (123, 177559), (353, 61869), (503, 43419), (1059, 20623), (1509, 14473)]