21732171

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 10781877

約数列:

[1, 3, 17, 23, 51, 69, 97, 191, 291, 391, 573, 1173, 1649, 2231, 3247, 4393, 4947, 6693, 9741, 13179, 18527, 37927, 55581, 74681, 113781, 224043, 314959, 426121, 944877, 1278363, 7244057, 21732171]

約数ペア:

[(1, 21732171), (3, 7244057), (17, 1278363), (23, 944877), (51, 426121), (69, 314959), (97, 224043), (191, 113781), (291, 74681), (391, 55581), (573, 37927), (1173, 18527), (1649, 13179), (2231, 9741), (3247, 6693), (4393, 4947)]