21097161

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 31505760

約数和(自身を除く): 10408599

約数列:

[1, 3, 9, 59, 67, 177, 201, 531, 593, 603, 1779, 3953, 5337, 11859, 34987, 35577, 39731, 104961, 119193, 314883, 357579, 2344129, 7032387, 21097161]

約数ペア:

[(1, 21097161), (3, 7032387), (9, 2344129), (59, 357579), (67, 314883), (177, 119193), (201, 104961), (531, 39731), (593, 35577), (603, 34987), (1779, 11859), (3953, 5337)]