21722673

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{15439}}^1$

素因数の和:15516

約数の個数: 16

約数和(自身を含む): 33597440

約数和(自身を除く): 11874767

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 15439, 46317, 108073, 324219, 1034413, 3103239, 7240891, 21722673]

約数ペア:

[(1, 21722673), (3, 7240891), (7, 3103239), (21, 1034413), (67, 324219), (201, 108073), (469, 46317), (1407, 15439)]