21939129

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7547}}^1$

素因数の和:7589

約数の個数: 24

約数和(自身を含む): 35324640

約数和(自身を除く): 13385511

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7547, 22641, 67923, 128299, 143393, 384897, 430179, 1154691, 1290537, 2437681, 7313043, 21939129]

約数ペア:

[(1, 21939129), (3, 7313043), (9, 2437681), (17, 1290537), (19, 1154691), (51, 430179), (57, 384897), (153, 143393), (171, 128299), (323, 67923), (969, 22641), (2907, 7547)]