21342339

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41603}}^1$

素因数の和:41631

約数の個数: 16

約数和(自身を含む): 33283200

約数和(自身を除く): 11940861

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41603, 124809, 374427, 790457, 1123281, 2371371, 7114113, 21342339]

約数ペア:

[(1, 21342339), (3, 7114113), (9, 2371371), (19, 1123281), (27, 790457), (57, 374427), (171, 124809), (513, 41603)]