21372927

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7103}}^1$

素因数の和:7182

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 9316353

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 7103, 21309, 120751, 362253, 419077, 1257231, 7124309, 21372927]

約数ペア:

[(1, 21372927), (3, 7124309), (17, 1257231), (51, 419077), (59, 362253), (177, 120751), (1003, 21309), (3009, 7103)]