22172031

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18523}}^1$

素因数の和:18555

約数の個数: 24

約数和(自身を含む): 38529920

約数和(自身を除く): 16357889

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 18523, 55569, 129661, 166707, 351937, 388983, 1055811, 1166949, 2463559, 3167433, 7390677, 22172031]

約数ペア:

[(1, 22172031), (3, 7390677), (7, 3167433), (9, 2463559), (19, 1166949), (21, 1055811), (57, 388983), (63, 351937), (133, 166707), (171, 129661), (399, 55569), (1197, 18523)]